Scores updated for 2026!

Manchester Union Elementary

Mendocino County school performance

Summary

Manchester Union Elementary is badly underperforming.

Reading and math results average to the 16th percentile among California school districts.

Only 29.4% of students met California's reading standard, but it is quickly trending up.Trending up

Math is weaker: 17.6% of students met California's math standard, but it is trending up slightly.Trending up

Proficiency Stats
Current Reading Proficiency29.4%
Current Math Proficiency17.6%
District Reading Rank822 / 977 (16th percentile)
District Math Rank821 / 977 (16th percentile)
Other Stats
Student / Teacher Ratio7:1
Spend per Student$48,005
Schools in District1
Student Enrollment34
Low-Income Students17 (50.0%)
English Learners9 (26.5%)

Test score trends

2024 - 2026

Reading rose 5.6 points from last year and rose 13.6 points over the full period. Math rose 12.9 points from last year and rose 1.9 points over the full period.

Reading +13.6 percentage pointsTrend up•Math +1.9 percentage pointsTrend up
Changes shown: Reading 2024–2026; Math 2024–2026.

Board Members

No board member data available for this district.

Expand for details on low-income and english learner performance

Reading Proficiency Scores

Comparison of low-income and English learner groups using district-level CAASPP proficiency data.

Low-Income vs Non-Low-Income

Results for both income groups are unavailable, so a current reading gap cannot be calculated.

No reported results for 2023.

Low-Income
Non-Low-Income
Low-Income +17.3 percentage pointsTrend up•
Non-Low-Income N/A

English Learners vs English Native

Results for both language groups are unavailable, so a current reading gap cannot be calculated.

English Learners
English Native
English Learners N/A•
English Native -31.5 percentage pointsTrend down

Math Proficiency Scores

Comparison of low-income and English learner groups using district-level CAASPP proficiency data.

Low-Income vs Non-Low-Income

Results for both income groups are unavailable, so a current math gap cannot be calculated.

No reported results for 2023.

Low-Income
Non-Low-Income
Low-Income +0.6 percentage pointsTrend up•
Non-Low-Income N/A

English Learners vs English Native

Results for both language groups are unavailable, so a current math gap cannot be calculated.

English Learners
English Native
English Learners N/A•
English Native -19.6 percentage pointsTrend down

District School Map

Schools in this district, color-coded by reading proficiency.

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Schools

Understanding this district

How does Manchester Union Elementary rank in California?

Manchester Union Elementary ranks No. 822 of 977 in reading and No. 821 of 977 in math for 2026. These proficiency rankings compare districts across all district types.

Which districts should I compare with Manchester Union Elementary?

Elementary districts in Mendocino County. Peers have the closest enrollment sizes.

2026 proficiency
DistrictMathReading
Manchester Union ElementaryThis district17.6%29.4%
Arena Union Elementary8.5%23.5%
Compare these districts