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Washington State Institute for Public Policy

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How Different Base Populations Affect WASL Results
Open Publication PDF

Wade Cole, Robert Barnoski - November 2006

A basic indicator of student performance on the Washington Assessment of Student Learning (WASL) is the percentage of students who meet standard. This percentage can vary depending on which students are included in the calculation. As one in a series of reports on the WASL, this analysis describes the different ways to calculate the “met standard” rate.

Download:   Full Report