mueller allen argued april decided june minnesota statute subd allows state taxpayers computing state income tax deduct expenses incurred providing tuition textbooks transportation children attending elementary secondary school petitioner minnesota taxpayers brought suit federal district respondent minnesota commissioner revenue respondent parents taken tax deduction expenses incurred sending children parochial schools claiming subd violates establishment clause first amendment providing financial assistance sectarian institutions district granted summary judgment respondents holding statute neutral face application primary effect either advancing inhibiting religion appeals affirmed held section subd violate establishment clause satisfies elements test laid lemon kurtzman must met statute upheld clause pp tax deduction question secular purpose ensuring state citizenry well educated well assuring continued financial health private schools sectarian nonsectarian pp deduction primary effect advancing sectarian aims nonpublic schools one many deductions medical expenses charitable contributions available minnesota tax laws available educational expenses incurred parents whether children attend public schools private sectarian nonsectarian private schools committee public education nyquist distinguished provides aid parochial schools result decisions individual parents rather directly state schools establishment clause historic purposes encompass sort attenuated financial benefit eventually flows parochial schools neutrally available tax benefit issue fact notwithstanding subd facial neutrality particular annual statistical analysis shows statute application primarily benefits religious institutions provide certainty needed determine statute constitutionality moreover private schools parents paying children attend schools make special contributions areas schools operate pp section subd excessively entangle state religion fact state officials must determine whether particular textbooks qualify tax deduction must disallow deductions textbooks used teaching religious doctrines insufficient basis finding entanglement rehnquist delivered opinion burger white powell joined marshall filed dissenting opinion brennan blackmun stevens joined post william kampf argued cause petitioners brief james lee charles sims burt neuborne douglas blomgren special assistant attorney general minnesota argued cause respondents brief respondent allen hubert humphrey iii attorney general catharine haukedahl special assistant attorney general william marshall john kenefick filed brief respondents becker et al timothy quinn andrew eisenzimmer filed brief respondents berthiaume et al briefs amici curiae urging reversal filed lee boothby robert nixon americans separation church state john baker baptist joint committee public affairs russell brown minnesota association school administrators et al briefs amici curiae urging affirmance filed solicitor general lee assistant attorney general mcgrath deputy assistant attorney general kuhl john garvey robert kopp michael hertz edward mcglynn gaffney council american private education et al nathan lewin daniel chazin dennis rapps national jewish commission law public affairs david young citizens educational freedom wilfred caron edward bennett williams john liekweg catholic conference briefs amici curiae filed charles rice catholic league religious civil rights henry clausen americans public schools john donnelly parents rights gwendolyn gregory august steinhilber thomas shannon national school boards association william mellor iii maxwell miller mountain legal foundation et al robert chanin laurence gold nathan dershowitz marc stern national committee public education religious liberty et al justice rehnquist delivered opinion minnesota allows taxpayers computing state income tax deduct certain expenses incurred providing education children stat subd appeals eighth circuit held establishment clause first amendment made applicable fourteenth amendment offended arrangement question reserved committee public education nyquist conflict decision appeals eighth circuit appeals first circuit rhode island federation teachers norberg granted certiorari affirm minnesota like every state provides citizens free elementary secondary schooling stat seems agreed students attended school system recent school year year approximately elementary secondary students attended privately supported schools located minnesota students attended schools considering sectarian minnesota law originally enacted revised permits state taxpayers claim deduction gross income certain expenses incurred educating children deduction limited actual expenses incurred tuition textbooks transportation dependents attending elementary secondary schools deduction may exceed per dependent grades per dependent grades stat subd petitioners certain minnesota taxpayers sued district district minnesota claiming subd violated establishment clause providing financial assistance sectarian institutions named defendants respondents commissioner department revenue minnesota several parents took advantage tax deduction expenses incurred sending children parochial schools district granted respondents motion summary judgment holding statute neutral face application primary effect either advancing inhibiting religion supp appeal appeals affirmed concluding minnesota statute substantially benefited broad class minnesota citizens today case exception statement establishment clause presents especially difficult questions interpretation application easy enough quote words constituting clause congress shall make law respecting establishment religion easy however apply various decisions construing clause governmental programs financial assistance sectarian schools parents children attending schools indeed many decisions expressly implicitly acknowledged dimly perceive lines demarcation extraordinarily sensitive area constitutional law lemon kurtzman quoted part approval nyquist one fixed principle field consistent rejection argument program manner aids institution religious affiliation violates establishment clause hunt mcnair see bradfield roberts walz tax example well established state may reimburse parents expenses incurred transporting children school everson board education may loan secular textbooks schoolchildren within state board education allen notwithstanding repeated approval given programs allen everson decisions also struck arrangements resembling many respects forms assistance see lemon kurtzman supra levitt committee public education meek pittenger wolman walter case asked decide whether minnesota tax deduction bears greater resemblance types assistance parochial schools approved struck petitioners place particular reliance decision committee public education nyquist supra held invalid new york statute providing public funds maintenance repair physical facilities private schools granting thinly disguised tax benefits actually amounting tuition grants parents children attending private schools explained conclude subd bears less resemblance arrangement struck nyquist assistance programs upheld prior decisions discussed approval nyquist general nature inquiry area guided since decision lemon kurtzman supra test laid case first statute must secular legislative purpose second principal primary effect must one neither advances inhibits religion finally statute must foster excessive government entanglement religion little time need spent question whether minnesota tax deduction secular purpose prior decisions governmental assistance programs consistently survived inquiry even run afoul aspects lemon framework see lemon kurtzman supra meek pittenger supra wolman walter supra reflects least part reluctance attribute unconstitutional motives particularly plausible secular purpose state program may discerned face statute state decision defray cost educational expenses incurred parents regardless type schools children attend evidences purpose secular understandable educated populace essential political economic health community state efforts assist parents meeting rising cost educational expenses plainly serves secular purpose ensuring state citizenry well educated similarly minnesota like conclude strong public interest assuring continued financial health private schools sectarian nonsectarian educating substantial number students schools relieve public schools correspondingly great burden benefit taxpayers addition private schools may serve benchmark public schools manner analogous tva yardstick private power companies justice powell remarked parochial schools quite apart sectarian purpose provided educational alternative millions young americans often afford wholesome competition public schools relieve substantially tax burden incident operation public schools state moreover legitimate interest facilitating education highest quality children within boundaries whatever school parents chosen wolman walter supra concurring part concurring judgment part dissenting part turn therefore difficult related question whether minnesota statute primary effect advancing sectarian aims nonpublic schools committee public education regan lemon kurtzman concluding find several features minnesota tax deduction particularly significant first essential feature minnesota arrangement fact subd one among many deductions medical expenses subd charitable contributions subd available minnesota tax laws decisions consistently recognized traditionally egislatures especially broad latitude creating classifications distinctions tax statutes regan taxation representation part familiarity local conditions enjoyed legislators especially enables achieve equitable distribution tax burden madden kentucky prior decisions minnesota legislature judgment deduction educational expenses fairly equalizes tax burden citizens encourages desirable expenditures educational purposes entitled substantial deference characteristics subd argue equally strongly provision constitutionality importantly deduction available educational expenses incurred parents including whose children attend public schools whose children attend nonsectarian private schools sectarian private schools widmar vincent concluded state provision forum neutrally available broad class nonreligious well religious speakers confer imprimatur state approval provision benefits broad spectrum groups important index secular effect ibid respect well others case vitally different scheme struck nyquist public assistance amounting tuition grants provided parents children nonpublic schools fact considerable bearing decision striking new york statute issue explicitly distinguished allen everson grounds cases class beneficiaries included schoolchildren public well private schools emphasis original moreover intimated public assistance scholarships made available generally without regard nature institution benefited might offend establishment clause think tax deduction adopted minnesota similar latter type program arrangement struck nyquist unlike assistance issue nyquist subd permits parents whether children attend public school private deduct children educational expenses widmar decisions indicate program like subd neutrally provides state assistance broad spectrum citizens readily subject challenge establishment clause also agree appeals channeling whatever assistance may provide parochial schools individual parents minnesota reduced establishment clause objections action subject true course financial assistance provided parents ultimately economic effect comparable aid given directly schools attended children also true however minnesota arrangement public funds become available result numerous private choices individual parents children reasons recognized nyquist means state assistance flows private schools importance said fact aid disbursed parents rather schools material consideration establishment clause analysis albeit one among many factors considered noteworthy one recent cases invalidating state aid parochial schools involved direct transmission assistance state schools exception course nyquist discussed previously distinguishable case grounds aid parochial schools available result decisions individual parents imprimatur state approval widmar supra deemed conferred particular religion religion generally find useful light foregoing characteristics subd compare attenuated financial benefits flowing parochial schools section evils establishment clause designed protect dangers well described statement hat stake matter policy establishment clause cases preventing kind degree government involvement religious life history teaches us apt lead strife frequently strain political system breaking point nyquist quoting walz tax opinion harlan important however keep issues perspective point century quite far removed dangers prompted framers include establishment clause bill rights see walz tax risk significant religious denominational control democratic processes even deep political division along religious lines remote viewed positive contributions sectarian schools risk seems entirely tolerable light continuing oversight wolman powell concurring part concurring judgment part dissenting part petitioners argue notwithstanding facial neutrality subd application statute primarily benefits religious institutions petitioners rely statistical analysis type persons claiming tax deduction contend parents public school children incur tuition expenses see stat expenses deductible subd negligible value moreover claim children private schools attended religiously affiliated institutions reason bulk deductions taken subd claimed parents children sectarian schools respondents reply petitioners failed consider impact deductions items transportation summer school tuition tuition paid parents whose children attended schools outside school districts resided rental purchase costs variety equipment tuition certain types instruction ordinarily provided public schools need consider contentions detail loath adopt rule grounding constitutionality facially neutral law annual reports reciting extent various classes private citizens claimed benefits law approach scarcely provide certainty field stands need perceive principled standards statistical evidence might evaluated moreover fact private persons fail particular year claim tax relief entitled facially neutral statute little importance determining constitutionality statute permitting relief finally private educational institutions parents paying children attend schools make special contributions areas operate parochial schools quite apart sectarian purpose provided educational alternative millions young americans often afford wholesome competition public schools relieve substantially tax burden incident operation public schools wolman supra powell concurring part concurring judgment part dissenting part parents children private schools choose take especial advantage relief provided subd doubt due fact bear particularly great financial burden educating children fundamentally whatever unequal effect may attributed statutory classification fairly regarded rough return benefits discussed provided state taxpayers parents sending children parochial schools light believe wiser decline engage type empirical inquiry persons benefited state law petitioners urge thus hold minnesota tax deduction educational expenses satisfies primary effect inquiry establishment clause cases turning third part lemon inquiry difficulty concluding minnesota statute excessively entangle state religion plausible source comprehensive discriminating continuing state surveillance necessary run afoul standard lie fact state officials must determine whether particular textbooks qualify deduction making decision state officials must disallow deductions taken instructional books materials used teaching religious tenets doctrines worship purpose inculcate tenets doctrines worship stat subd making decisions differ substantially making types decisions approved earlier opinions board education allen example upheld loan secular textbooks parents children attending nonpublic schools though state officials required determine whether particular books secular system held violate establishment clause see also wolman walter meek pittenger result follows case foregoing reasons judgment appeals affirmed footnotes tuition transportation expense amount paid others exceed dependent grades dependent grades tuition textbooks transportation dependent attending elementary secondary school situated minnesota north dakota south dakota iowa wisconsin wherein resident state may legally fulfill state compulsory attendance laws operated profit adheres provisions civil rights act chapter used subdivision textbooks shall mean include books instructional materials equipment used elementary secondary schools teaching subjects legally commonly taught public elementary secondary schools state shall include instructional books materials used teaching religious tenets doctrines worship purpose inculcate tenets doctrines worship shall include books materials transportation activities including sporting events musical dramatic events speech activities driver education programs similar nature lower courts found statute permits deduction range educational expenses district found deductible expenses included tuition ordinary sense tuition public school students attend public schools outside residence school districts certain summer school tuition tuition charged school slow learner private tutoring services tuition instruction provided elementary secondary school students physically unable attend classes school tuition charged private tutor school elementary secondary school instruction acceptable credit elementary secondary school montessori school tuition grades tuition driver education part school curriculum supp addition district found statutory deduction textbooks included secular textbooks also cost tennis shoes sweatsuits physical education camera rental fees paid school photography classes ice skates rental fee paid school rental fee paid school calculators mathematics classes costs home economics materials needed meet minimum requirements costs special metal wood needed meet minimum requirements shop classes costs supplies needed meet minimum requirements art classes rental fees paid school musical instruments cost pencils special notebooks required class ibid lemon kurtzman concluded state reimbursement nonpublic schools cost teachers salaries textbooks instructional materials payment salary supplement teachers nonpublic schools resulted excessive entanglement church state levitt committee public education struck establishment clause grounds state program reimbursing nonpublic schools cost examinations finally meek pittenger wolman walter held unconstitutional direct loan instructional materials nonpublic schools upholding loan textbooks individual students section contains express statements legislative purpose legislative history offers unambiguous indications actual intent absence evidence affect treatment statute deductions charitable contributions allowed minnesota law stat subd include contributions religious institutions exemptions property tax property used charitable purposes minnesota law include property used wholly religious purposes case may religious institutions benefit substantially allowance deductions holding walz tax indicates however require conclusion provisions state tax law violate establishment clause decision committee public education nyquist contrary point expressed considerable doubt tax benefits provided new york law properly regarded parts genuine system tax laws plainly outright grants parents take form ordinary tax benefits benefits provided parents said amount deduction unrelated amount money actually expended parent tuition calculated basis formula contained statute formula apparently product legislative attempt assure family receive carefully estimated net benefit tax benefit comparable compatible tuition grant lower income families omitted likewise sloan lemon held pennsylvania statute violated first amendment emphasized state singled class citizens special economic benefit also observed widmar empirical evidence religious groups dominate school open forum might relevant analysis establishment clause address infra full statement allen everson differ present litigation second important respect cases class beneficiaries included schoolchildren public well private schools see also tilton richardson federal aid made available institutions higher learning walz tax supra tax exemptions accorded educational charitable nonprofit institutions manner resolved tuition grant issue need decide whether significantly religious character statute beneficiaries might differentiate present cases case involving form public assistance scholarships made available generally without regard nature institution benefited thus decision today compel conclusion educational assistance provisions bill impermissibly advance religion violation establishment clause see also petitioners cite revenue analysis prepared minnesota department revenue nly taxpayers dependents nonpublic elementary secondary schools affected law since tuition transportation textbook expenses public school students paid school district brief petitioners fail see significance report capsule description tax deduction provision discussed lower courts expressly found analysis plainly mistaken factual matter regarding effect subd moreover several memoranda prepared minnesota department revenue stating number specific expenses may deducted parents children public school clearly indicate summary discussion memorandum intended comprehensive binding agency determination conclusion unaffected fact subd permits deductions amounts spent textbooks transportation well tuition everson board education approved statute reimbursing parents schoolchildren costs transporting children school means deduction rather direct grant serves make state action less objectionable likewise board education allen approved state loans textbooks schoolchildren although disapproved meek pittenger wolman walter direct loans instructional materials sectarian schools find cases controlling first involved assistance provided schools rather tax benefits directed individual parents see supra moreover think state assistance rental calculators see app ice skates tennis shoes like scarcely poses type dangers establishment clause intended guard party litigation urged minnesota plan invalid runs afoul rather elusive inquiry subsumed third part lemon test whether minnesota statute partakes divisive political potential condemned lemon argument advanced however amici national committee public education religious liberty et al variation entanglement test interpreted differently different cases compare lemon kurtzman opinion white meek pittenger brennan concurring part dissenting part since aspect entanglement inquiry originated lemon kurtzman supra opinion took pains distinguish everson board education supra board education allen supra lemon must referring phenomenon although present case absent two cases distinguished language lemon respecting political divisiveness made context pennsylvania rhode island statutes provided either direct payments reimbursement proportion teachers salaries parochial schools think light treatment point later cases discussed language must regarded confined cases direct financial subsidies paid parochial schools teachers parochial schools justice marshall justice brennan justice blackmun justice stevens join dissenting establishment clause first amendment prohibits state subsidizing religious education whether directly indirectly view principle neutrality forbids tax benefits struck committee public education nyquist tax benefit including tax deduction issue subsidizes tuition payments sectarian schools also believe establishment clause prohibits tax deductions minnesota authorizes cost books instructional materials used sectarian purposes majority today question continuing vitality decision nyquist decision established state may support religious education either direct grants parochial schools financial aid parents parochial school students nyquist also established financial aid parents students attending parochial schools permissible provided form tax credit provided form cash payments see ante notwithstanding accepted principles today upholds statute provides tax deduction tuition charged religious schools concludes minnesota statute vitally different new york statute issue nyquist ante demonstrated significant difference two schemes minnesota tax statute violates establishment clause precisely reason statute struck nyquist direct immediate effect advancing religion calculating net income state income tax purposes minnesota residents permitted deduct cost children tuition subject ceiling per child taking deduction taxpayer reduces tax bill sum equal amount tuition multiplied rate tax although tax benefit available parents whose children attend schools charge tuition vast majority taxpayers eligible receive benefit parents whose children attend religious schools school year students enrolled nonpublic schools charging tuition students attended sectarian schools although statute also allows deduction tuition expenses children attending public schools minnesota public schools generally prohibited law charging tuition stat public schools may assess tuition charges students accepted outside district subd school year public school students fell category parents remaining students attended public schools ineligible receive tax benefit like law involved nyquist minnesota law said serve secular purpose promoting pluralism diversity among state public nonpublic schools establishment clause requires legislation secular purpose nyquist propriety legislature purposes may immunize scrutiny law primary effect advances religion moreover even one primary effect promote legitimate end state police power legislation immune examination ascertain whether also direct immediate effect advancing religion see wolman walter meek pittenger recognized nyquist direct government subsidization parochial school tuition impermissible effect aid unmistakably provide desired financial support nonpublic sectarian institutions id educational function parochial schools necessarily results aid sectarian school enterprise whole purpose many schools provide integrated secular religious education meek pittenger supra reason aid sectarian schools must restricted ensure may used religious mission schools see wolman walter supra services police fire protection sewage disposal highways sidewalks may provided parochial schools common institutions type assistance clearly marked religious function schools nyquist supra quoting everson board education unrestricted financial assistance grants maintenance construction parochial schools may provided nyquist absence effective means guaranteeing state aid derived public funds used exclusively secular neutral nonideological purposes clear cases direct aid whatever form invalid indirect assistance form financial aid parents tuition payments similarly impermissible subject restrictions guarantee separation secular religious educational functions ensure state financial aid supports former quoting lemon kurtzman ensuring parents reimbursed tuition payments make minnesota statute requires taxpayers general pay cost parochial education extends financial incentive parents send children sectarian schools nyquist true law struck nyquist precisely function minnesota law provide assistance private schools great majority sectarian reimbursing parents portion tuition bill state seeks relieve financial burdens sufficiently assure continue option send children schools purposes aid perpetuate pluralistic educational environment protect fiscal integrity overburdened public schools certainly unexceptionable effect aid unmistakably provide desired financial support nonpublic sectarian institutions majority attempts distinguish nyquist pointing two differences minnesota program program struck nyquist neither distinctions withstand scrutiny majority first attempts distinguish nyquist ground minnesota makes parents eligible deduct dependent whereas new york law allowed deduction parents whose children attended nonpublic schools although minnesota taxpayers send children local public schools may deduct tuition expenses incur none may deduct expenses cost gym clothes pencils notebooks shared parents children majority view distinguishes minnesota scheme law issue nyquist minnesota statute makes small benefit available parents alter fact substantial benefit provided statute available parents send children schools charge tuition simply undeniable single largest expense may deducted minnesota statute tuition statute little subsidy tuition masquerading subsidy general educational expenses deductible expenses de minimis comparison tuition expenses contrary majority suggestion ante bulk tax benefits afforded minnesota scheme enjoyed parents parochial school children parents public school children fail claim deductions entitled latter simply unable claim largest tax deduction minnesota authorizes fewer children minnesota attend public schools charge general tuition total number taxpayers eligible tuition deduction approximately send children religious schools parents send children free public schools simply ineligible obtain full benefit deduction except unlikely event buy worth pencils notebooks bus rides children yet parents pay least tuition nonpublic sectarian schools claim full deduction even incur educational expenses deduction primary effect promoting religion easily determined without resort type statistical evidence majority fears lead constitutional uncertainty ibid factual inquiry necessary employed nyquist sloan lemon whether deduction permitted tuition expenses primarily benefits send children religious schools nyquist unequivocally rejected suggestion determining effect tax statute look exclusively statute face purports ignore actual operation challenged provision determining effect new york statute emphasized virtually schools receiving direct grants maintenance repair roman catholic schools reimbursements given parents send children nonpublic schools bulk concededly sectarian orientation precisely function new york law provide assistance private schools great majority sectarian tax reductions authorized law flow primarily parents children attending sectarian nonpublic schools similarly sloan lemon supra considered important consider ation new law effect children attending nonpublic schools commonwealth pennsylvania enrolled schools controlled religious organizations purpose propagating promoting religious faith case undisputed well children attending schools minnesota enrolled sectarian schools history experience likewise instruct us generally available financial assistance elementary secondary school tuition expenses mainly religious education majority schools charge tuition sectarian cf nyquist lemon kurtzman douglas concurring minnesota like every state committed providing free public education tax assistance tuition payments inevitably redounds benefit nonpublic sectarian schools parents send children schools majority also asserts minnesota statute distinguishable statute struck nyquist another respect tax benefit available minnesota law genuine tax deduction whereas new york law provided benefit nominally deduction also features tax credit ante minnesota law amount tax benefit varies directly amount expenditure new york law amount deduction dependent upon amount actually paid tuition predetermined amount depended tax bracket taxpayer deduction designed yield roughly amount tax forgiveness taxpayer distinction without difference prior decisions rejected relevance majority formalistic distinction tax deductions tax benefit issue nyquist see byrne public funds public schools summarily grit wolman summarily kosydar wolman supp sd ohio deduction afforded minnesota law designed yield tax benefit exchange performing specific act state desires encourage nyquist supra like tax benefit held impermissible nyquist tax deduction issue concededly designed encourag desirable expenditures educational purposes ante equal importance majority also concedes economic consequenc programs ante case financial assistance provided parents ultimately economic effect comparable aid given directly schools ante see walz tax opinion harlan precisely substantive impact financial support particular form rendered programs nyquist sloan lemon unconstitutional see nyquist supra sloan lemon majority incorrectly asserts minnesota tax deduction tuition expenses bears less resemblance arrangement struck nyquist assistance programs upheld prior decisions discussed approval nyquist ante one might well say tangerine bears less resemblance orange apple two cases relied majority board education allen everson board education inapposite today precisely reasons inapposite nyquist distinguished cases nyquist supra sloan lemon supra financial assistance tuition payments consequence quite unlike sort indirect incidental benefits flowed sectarian schools programs aiding parents supplying bus transportation secular textbooks children benefits carefully restricted purely secular side institutions provided special aid chosen support religious schools yet aid approached verge constitutionally impermissible sloan lemon supra latter emphasis added ii view minnesota tax deduction cost textbooks instructional materials also constitutionally infirm majority simply mistaken concluding tax deduction unlike tax credit direct grant parents promotes religious education manner attenuated ante tax deduction primary effect advances religion provided offset expenditures restricted secular activities parochial schools instructional materials subsidized minnesota tax deduction plainly may used inculcate religious values belief meek pittenger held even use wholly neutral secular instructional material equipment schools contributes religious instruction secular education schools provide goes hand hand religious mission reason schools existence wolman walter concluded precisely impermissible effect results instructional materials loaned pupil parent rather directly schools stated exalt form substance distinction found justify result different meek follows tax deduction offset cost purchasing instructional materials use sectarian schools like loan materials parents necessarily results aid sectarian school enterprise whole therefore substantial advancement religious activity constitutes impermissible establishment religion meek pittenger supra reason treat minnesota tax deduction textbooks differently secular textbooks like secular instructional materials contribute religious mission parochial schools use books although upheld loan secular textbooks religious schools board education allen supra believed time lacked sufficient experience determine based solely judicial notice processes secular religious training intertwined secular textbooks furnished students public always instrumental teaching religion basis distinguishing secular instructional materials secular textbooks simply untenable inconsistent many recent decisions concerning state aid parochial schools see wolman walter marshall concurring part dissenting part stevens concurring part dissenting part meek pittenger supra brennan concurring part dissenting part event assumption allen textbooks issue might used secular education based fact books chosen state use public schools contrast minnesota statute limit tax deduction books state approved use public schools rather permits deduction books chosen parochial schools indeed minnesota statutory scheme textbooks chosen parochial schools used public schools likely precisely ones purchased parents children use like law upheld board education allen supra stat authorize state board education provide textbooks used public schools nonpublic school students parents little reason purchase textbooks borrowed provision iii little doubt state minnesota intended provide provided ubstantial aid educational function schools tax deduction tuition educational expenses necessarily results aid sectarian school enterprise whole meek pittenger supra beside point state may legitimate secular reasons providing aid focusing upon contributions made schools majority lost sight issue us case sole question whether state aid schools squared dictates religion clauses system choice made government entirely excluded area religious instruction constitution decrees religion must private matter individual family institutions private choice involvement entanglement inevitable lines must drawn lemon kurtzman tax amount large small levied support religious activities institutions whatever may called whatever form may adopt teach practice religion noted nyquist firmly established statute may impermissibly advance religion even though aid one religion another merely benefits religions alike see wolman walter meek pittenger even minnesota statute allowed parents public school students deduct expenses likely equivalent tuition expenses private school students still unconstitutional insofar minnesota statute provides deduction parochial school tuition provides benefit parochial schools furthers religious mission schools nyquist makes clear state may provide financial assistance parochial schools unless assistance limited secular uses indeed respect minnesota statute even greater tendency promote religious education new york statute struck nyquist since percentage private schools nonsectarian far greater new york minnesota similarly meek pittenger held direct loan instructional material equipment unconstitutional primary effect advancing religion predominantly religious character schools benefiting act see relied finding nonpublic schools pennsylvania qualify aid act religiously affiliated educational institutions possibly ascertained text facially neutral statute determined basis empirical inquiry wolman walter relied stipulation school year chartered nonpublic schools ohio sectarian nonpublic enrollment attended sectarian schools attended catholic schools byrne public funds public schools summarily affirmed decision striking program tax deductions amount deduction fixed dependent attending nonpublic school decision makes clear constitutionality tax benefit turn whether benefit form deduction gross income tax credit grit wolman summarily affirmed decision invalidating system tax credits nonpublic school parents amount credit depended amount tuition paid decision demonstrates irrelevant whether amount tax benefit proportionate amount tuition paid simply arbitrary sum affirmance result cases decision merits entitled precedential weight meek pittenger supra deduction issue case differ tax benefits nyquist prior cases one respect nature deduction embodies inherent limit extent state may subsidize religious education unlike tax credit may wholly subsidize cost religious education size credit sufficiently large tax deduction arbitrary sum deduction tuition payments adjusted gross income never provide basis complete subsidization religious schools nyquist emphasis original see also nyquist made clear however absolutely subsidization permissible unless restricted purely secular functions schools see similar reasons hold deduction transportation expenses constitutional insofar relates costs traveling home school see wolman walter reimbursement nonpublic schools field trip transportation impermissibly fosters religion nonpublic schools control timing frequency destination trips sectarian schools integral part sectarian education therefore reverse judgment appeals remand determination whether insignificant deductions remain deductions transportation home school pencils notebooks severable deductions