A routine post-test audit by the Educational Testing Service, a company contracted by the College Board to coordinate and administer the SAT, found its test givers did not follow policies on how far apart students must be seated and in what direction they must be facing, according to ETS spokesman Tom Ewing.
"As far as I know, this is the first time there has been a make-up for an administrative irregularity at the school," he said.
ETS has worked with school officials to schedule a makeup test on Oct. 17. Students who can't make it may transfer their test registration to another date at no additional cost, the next being in early November.
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SAT test results are generally ready in about 19 days, though College Board recommends students take the SATS no later than October if they plan to apply to any colleges early decision or early action.
"We thank students and families for their patience and understanding," Ewing said.
Follow reporter Rebecca Lurye on Twitter at twitter.com/IPBG_Rebecca.