Science and social studies teachers are sticking to the standards they’ve always taught as more emphasis is now being placed on those subjects in measuring overall school success. Under the new College & Career Ready Performance Index, students must demonstrate mastery of grade-level science and social studies courses in addition to the previously required mastery of English, language arts and math. The new index is more complicated than the previous index, Adequate Yearly Progress, which measured just seven indicators of how a school performs, most of which were tied to Criterion-Referenced Competency Tests scores in English, language arts and math and graduation tests for high school students.