The Utah STEM Action Center conducted a multiyear evaluation of multiple providers of online instructional technology for mathematics for the K–12 Mathematics Personalized Learning Software Grant Pilot Program, including i-Ready. For school years 2014–2015 through 2018–2019, the Utah STEM Action Center published annual reports regarding the implementation and effectiveness of these technologies. (Note that the study design varied by evaluation school year.) Using multiple methodologies, such as linear and logistic regression, these reports showed that i-Ready was consistently one of the top mathematics solutions among the vendors evaluated. The most recent evaluation with student-level Student Assessment of Growth and Excellence (SAGE) outcomes available from spring 2018 found that the use of i-Ready was associated with increased likelihood of proficiency on the SAGE test, and students who used i-Ready with greater frequency demonstrated higher student-growth percentiles than students who used i-Ready with lower frequency.
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