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Othello presentation shows four elementary schools outperform expectations using demographic-adjusted model
Summary
District staff presented a data analysis showing four Othello elementary schools exceeded predicted performance when accounting for percentages of English learners and low-income students; presenters said the analysis supports levy messaging and future investments.
Justin Johnson, principal at Wajitas Elementary, told the Othello School District board that a demographic-adjusted analysis of statewide test data shows four elementary schools in the district outperformed expectations.
Johnson described using a trend-line model built from Washington state data that predicts an expected academic score for a school based on its percentage of English-language learners (ELL) and low-income students. He said the analysis produces an "expected" score and an "actual" score; the difference (residual)…
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