All of WSIPP's research is published on our website. The Publications page includes every report we've released—from our founding in 1983 to the present. Each report entry includes the title, publication date, abstract, any available supplemental materials, and a downloadable PDF.
WSIPP reports are not updated after publication, and any report older than two years is designated with an “Archived” label.
To explore our benefit-cost and meta-analytic findings, please visit the Benefit-Cost section of the website.
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The 2017 Washington State Legislature directed WSIPP to examine variation in the use of paraeducators across Washington, how paraeducators impact students’ academic outcomes, and what the national research says about the effectiveness of paraeducators in improving student outcomes. We focused our analyses on paraeducators in Washington who perform teaching activities, whom we refer to as instructional aides. Using Washington State data, we used a fixed effects regression model to examine which factors, if any, are associated with the use of instructional aides and whether instructional aides are associated with school-level student outcomes.