griggs duke power argued december decided march negro employees respondent generating plant brought action pursuant title vii civil rights act challenging respondent requirement high school diploma passing intelligence tests condition employment transfer jobs plant requirements directed intended measure ability learn perform particular job category jobs act makes unlawful employment practice employer limit segregate classify employees deprive employment opportunities adversely affect status race color religion sex national origin authorizes use professionally developed ability test provided designed intended used discriminate district found respondent former policy racial discrimination ended title vii prospective reach prior inequities appeals reversed part rejecting holding residual discrimination arising prior practices insulated remedial action agreed lower showing discriminatory purpose adoption diploma test requirements held absent discriminatory purpose use requirements permitted rejected claim disproportionate number negroes rendered ineligible promotion transfer employment requirements unlawful unless shown job related held act requires elimination artificial arbitrary unnecessary barriers employment operate invidiously discriminate basis race employment practice operates exclude negroes shown related job performance prohibited notwithstanding employer lack discriminatory intent pp act preclude use testing measuring procedures proscribe giving controlling force unless demonstrably reasonable measure job performance pp burger delivered opinion members joined except brennan took part consideration decision case jack greenberg argued cause petitioners briefs james nabrit iii norman amaker william robinson conrad pearson julius levonne chambers albert rosenthal george ferguson argued cause respondent brief william ward george thorpe lawrence cohen argued cause chamber commerce amicus curiae urging affirmance brief francis lowden gerard smetana milton smith briefs amici curiae urging reversal filed solicitor general griswold assistant attorney general leonard deputy solicitor general wallace david rose stanley hebert russell specter louis lefkowitz attorney general pro se samuel hirshowitz first assistant attorney general george zuckerman dominick tuminaro assistant attorneys general attorney general state new york bernard kleiman elliot bredhoff michael gottesman george cohen steelworkers america chief justice burger delivered opinion granted writ case resolve question whether employer prohibited civil rights act title vii requiring high school education passing standardized general intelligence test condition employment transfer jobs neither standard shown significantly related successful job performance requirements operate disqualify negroes substantially higher rate white applicants jobs question formerly filled white employees part longstanding practice giving preference whites congress provided title vii civil rights act class actions enforcement provisions act proceeding brought group incumbent negro employees duke power company petitioners employed company dan river steam station power generating facility located draper north carolina time action instituted company employees dan river station negroes petitioners district found prior july effective date civil rights act company openly discriminated basis race hiring assigning employees dan river plant plant organized five operating departments labor coal handling operations maintenance laboratory test negroes employed labor department highest paying jobs paid less lowest paying jobs four operating departments whites employed promotions normally made within department basis job seniority transferees department usually began lowest position company instituted policy requiring high school education initial assignment department except labor transfer coal handling inside department operations maintenance laboratory company abandoned policy restricting negroes labor department completion high school also made prerequisite transfer labor department time high school requirement instituted time trial however white employees hired time high school education requirement continued perform satisfactorily achieve promotions operating departments findings score challenged company added requirement new employees july date title vii became effective qualify placement labor department became necessary register satisfactory scores two professionally prepared aptitude tests well high school education completion high school alone continued render employees eligible transfer four desirable departments negroes excluded incumbent employed prior time new requirement september company began permit incumbent employees lacked high school education qualify transfer labor coal handling inside job passing two tests wonderlic personnel test purports measure general intelligence bennett mechanical comprehension test neither directed intended measure ability learn perform particular job category jobs requisite scores used initial hiring transfer approximated national median high school graduates district found company previously followed policy overt racial discrimination period prior act conduct ceased district also concluded title vii intended prospective consequently impact prior inequities beyond reach corrective action authorized act appeals confronted question first impression concerning meaning title vii careful analysis majority concluded subjective test employer intent govern particularly close case case showing discriminatory purpose adoption diploma test requirements basis appeals concluded violation act appeals reversed district part rejecting holding residual discrimination arising prior employment practices insulated remedial action appeals noted however district correct conclusion showing racial purpose invidious intent adoption high school diploma requirement general intelligence test standards applied fairly whites negroes alike held absence discriminatory purpose use requirements permitted act appeals rejected claim two requirements operated render ineligible markedly disproportionate number negroes unlawful title vii unless shown job related granted writ claims objective congress enactment title vii plain language statute achieve equality employment opportunities remove barriers operated past favor identifiable group white employees employees act practices procedures tests neutral face even neutral terms intent maintained operate freeze status quo prior discriminatory employment practices appeals opinion partial dissent agreed record present case whites register far better company alternative requirements negroes consequence appear directly traceable race basic intelligence must means articulation manifest fairly testing process negroes petitioners long received inferior education segregated schools expressly recognized differences gaston county inferior education received negroes north carolina barred institution literacy test voter registration ground test abridge right vote indirectly account race congress intend title vii however guarantee job every person regardless qualifications short act command person hired simply formerly subject discrimination member minority group discriminatory preference group minority majority precisely congress proscribed required congress removal artificial arbitrary unnecessary barriers employment barriers operate invidiously discriminate basis racial impermissible classification congress provided tests criteria employment promotion may provide equality opportunity merely sense fabled offer milk stork fox contrary congress required posture condition taken account resort fable provided vessel milk proffered one seekers use act proscribes overt discrimination also practices fair form discriminatory operation touchstone business necessity employment practice operates exclude negroes shown related job performance practice prohibited record us neither high school completion requirement general intelligence test shown bear demonstrable relationship successful performance jobs used adopted appeals noted without meaningful study relationship ability rather vice president company testified requirements instituted company judgment generally improve overall quality work force evidence however shows employees completed high school taken tests continued perform satisfactorily make progress departments high school test criteria used promotion record present employees able meet new criteria thus suggests possibility requirements may needed even limited purpose preserving avowed policy advancement within company context case unnecessary reach question whether testing requirements take account capability next succeeding position related future promotion might utilized upon showing requirements fulfill genuine business need present case company made showing appeals held company adopted diploma test requirements without intention discriminate negro employees suggest either district appeals erred examining employer intent good intent absence discriminatory intent redeem employment procedures testing mechanisms operate headwinds minority groups unrelated measuring job capability company lack discriminatory intent suggested special efforts help undereducated employees company financing cost tuition high school training congress directed thrust act consequences employment practices simply motivation congress placed employer burden showing given requirement must manifest relationship employment question facts case demonstrate inadequacy broad general testing devices well infirmity using diplomas degrees fixed measures capability history filled examples men women rendered highly effective performance without conventional badges accomplishment terms certificates diplomas degrees diplomas tests useful servants congress mandated commonsense proposition become masters reality company contends general intelligence tests specifically permitted act section authorizes use professionally developed ability test designed intended used discriminate race emphasis added equal employment opportunity commission enforcement responsibility issued guidelines interpreting permit use tests administrative interpretation act enforcing agency entitled great deference see city chicago udall tallman power reactor electricians since act legislative history support commission construction affords good reason treat guidelines expressing congress section contained house version civil rights act added senate extended debate period debate revolved around claims bill proposed prohibit testing force employers hire unqualified persons simply part group formerly subject job discrimination proponents title vii sought throughout debate assure critics act effect tests senators case new jersey clark pennsylvania comanagers bill senate floor issued memorandum explaining proposed title vii expressly protects employer right insist prospective applicant negro white must meet applicable job qualifications indeed purpose title vii promote hiring basis job qualifications rather basis race color cong rec emphasis added despite assurances senator tower texas introduced amendment authorizing professionally developed ability tests proponents title vii opposed amendment written permit employer give test whether good test long professionally designed discrimination actually exist guise compliance statute cong rec remarks case amendment defeated two days later senator tower offered substitute amendment adopted verbatim testing provision speaking supporters title vii senator humphrey vigorously opposed first amendment endorsed substitute amendment stating senators sides aisle deeply interested title vii examined text amendment found accord intent purpose title cong rec amendment adopted sum legislative history relevant case conclusion inescapable eeoc construction require employment tests job related comports congressional intent nothing act precludes use testing measuring procedures obviously useful congress forbidden giving devices mechanisms controlling force unless demonstrably reasonable measure job performance congress commanded less qualified preferred better qualified simply minority origins far disparaging job qualifications congress made qualifications controlling factor race religion nationality sex become irrelevant congress commanded tests used must measure person job person abstract judgment appeals portion judgment appealed reversed justice brennan took part consideration decision case footnotes negro first assigned job operating department august five months charges filed equal employment opportunity commission employee high school graduate begun labor department promoted job coal handling department test standards thus stringent high school requirement since screen approximately half high school graduates appeals ruled negroes employed labor department time high school test requirement entrance higher paying departments made subject requirements since whites hired contemporaneously departments never subject appeals also required seniority rights negroes measured plantwide rather departmental basis however appeals denied relief negro employees without high school education equivalent hired labor department institution educational requirement one member disagreed aspect decision maintaining petitioners title vii prohibits use employment criteria operate racially exclusionary fashion measure skills abilities necessary performance jobs criteria used north carolina census statistics show white males completed high school negro males done bureau census census population vol characteristics population pt table similarly respect standardized tests eeoc one case found use battery tests including wonderlic bennett tests used company instant case resulted whites passing tests compared blacks decision eeoc cch empl prac guide see also decision eeoc cch empl prac guide example july november percentage white employees promoted high school graduates nearly identical percentage nongraduates entire white work force section applies tests applicability high school diploma requirement eeoc guidelines employment testing procedures issued august provide commission accordingly interprets professionally developed ability test mean test fairly measures knowledge skills required particular job class jobs applicant seeks fairly affords employer chance measure applicant ability perform particular job class jobs fact test prepared individual organization claiming expertise test preparation without justify use within meaning title vii eeoc position elaborated new guidelines employee selection procedures cfr fed reg guidelines demand employers using tests available date demonstrating test predictive significantly correlated important elements work behavior comprise relevant job jobs candidates evaluated congressional discussion prompted decision hearing examiner illinois fair employment commission myart motorola decision reprinted cong rec case suggested standardized tests whites performed better negroes never used decision taken mean tests never justified even needs business required number senators feared title vii might produce similar result see remarks senators ervin cong rec smathers holland hill tower talmadge fulbright ellender appeals majority finding requirement title vii employment tests job related relied part quotation earlier interpretative memorandum addressed question constitutionality title vii senators said memorandum requirement title vii employers abandon bona fide qualification tests differences background education members groups able perform better tests members groups employer may set qualifications high likes may test determine applicants qualifications may hire assign promote basis test performance cong rec however nothing stated conflicts later memorandum dealing specifically debate employer testing cong rec quoted text senators clark case explained tests measure applicable job qualifications permissible title vii earlier memorandum clark case assured senate employers prohibited using tests determine qualifications certainly reasonable interpretation senators meant light subsequent memorandum directed specifically employer testing nothing act prevents employers requiring applicants fit job senator tower original amendment provided part test permissible case individual seeking employment employer test designed determine predict whether individual suitable trainable respect employment particular business enterprise involved cong rec language indicates senator tower aim simply make certain tests permitted opposition amendment based loose wording proponents title vii feared susceptible misinterpretation final amendment acceptable sides hardly required less job relation first