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Bay Shore staff present iReady cohort results; board questions projection accuracy amid high opt-outs
Summary
District staff showed cohort comparisons of iReady diagnostics and projected state-test outcomes, highlighting 'typical' and 'stretch' growth scenarios. Board members pressed whether projections are valid given many students opt out of state 3–8 exams; staff said student-by-student checks would be required.
District staff presented a cohort analysis of reading and math using iReady diagnostics and linked projections to state 3–8 examinations, telling the Board that iReady produces criterion-referenced placements and separate norm-referenced percentiles for comparison to national samples. "The number that you see at the bottom, which is the 194 students, that is simply because the same student took the assessment at the beginning of the year, the middle of the year, and the end of the year," a staff presenter said during the board's work session.
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