HOUSTON, Texas, Sept. 9 -- Rice University posted the following news release:

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Spring ISD posts Houston region's largest Algebra 1 gain as OpenStax curriculum expands districtwide

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Spring Independent School District led the Houston region with a 16-point increase in Algebra 1 passing rates on the 2026 STAAR End-of-Course exam, the largest year-over-year gain among large Houston-area districts. Spring ISD uses OpenStax "Algebra 1 . . .

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