Assessment data shows areas for growth in Lake Oswego, West Linn-Wilsonville school districts
Reported byLake Oswego Review
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Oregon has released statewide assessment results (OSAS) for the 2025-26 school year. Compared with the prior year, the share of students scoring proficient rose statewide by 1.4 percentage points in math, 0.8 in English Language Arts (ELA) and 0.6 in science. Students in Lake Oswego, West Linn and Wilsonville score above the state average, but the article describes many local results as flat.
In the West Linn-Wilsonville district, proficiency fell 1 point in math, rose 1.6 in ELA and fell 0.2 in science. In Lake Oswego, math fell 0.6 points, ELA fell 1.6 and science rose 1.2. Among younger students, Lake Oswego third-grade reading fell 1.5 points while third-grade math rose 1.5, and fifth-grade science fell 0.8. In West Linn-Wilsonville, third-grade reading and writing fell 0.4 points, third-grade math fell 5.6 and science results fell 1.4. Both districts remain below earlier levels: ELA scores were 10.2 points higher in Lake Oswego and 12.7 points higher in West Linn-Wilsonville in 2015-16.
Lake Oswego's district says its test participation was below the 95% benchmark, at 93.6% in ELA, 93.2% in math and 92.2% in science, and that reaching it matters for state and federal requirements. West Linn-Wilsonville says it is carrying out a three-year action plan and treats OSAS as one data point among several.
Why it matters
Test results help families and educators see where students may need extra support, and they inform how districts direct instruction and resources. Participation rates also affect how accurately scores reflect a district's performance, which matters for board members reviewing results.
- Test scores
- Math achievement
- Literacy
Written with AI from the publisher's article and may contain errors. The original reporting is the authoritative source.
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- How should families weigh statewide test results alongside classroom-based and interim assessments when judging student progress?
- What steps could help districts raise participation rates in statewide testing, and who should be involved?
- How should boards respond when local scores stay above the state average but shift little from year to year?
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