Research

Dig into California school district research on spending, staffing, and academic results without the usual bureaucratic fog.

May 27, 2026

The best-performing schools in California with small low-income gaps

Find the California schools that combine strong reading results with unusually small low-income reading gaps.

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Strong Reading, Small Gap

103 California schools clear 70% reading while keeping low-income students within 5 points.

SchoolReadingGap
Whitney (Gretchen) High99.2%1.6 pts
California Academy of Mathematics and Science98.7%0.6 pts
Middle College High98.7%2.2 pts
Dr. TJ Owens Gilroy Early College Academy98.6%3.0 pts
Oxford Academy98.5%0.0 pts
May 7, 2026

The best schools in the most affordable areas of California

See which California schools clear strong reading thresholds while sitting in unusually affordable local housing markets.

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Top Affordable-Area Schools

Affordable California housing markets do not usually line up with strong school outcomes, which makes this list unusually narrow.

SchoolHome ValueReading
Richardson PREP HI Middle$285k86.4%
William & Marian Ghidotti High$563k100.0%
Union Street Charter$557k85.4%
Hayfork High$280k85.0%
Riverview STEM Elementary$458k88.5%
May 6, 2026

How low-income and non-low-income performance is distributed in California

See how low-income and non-low-income proficiency scores cluster across California school types and districts.

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May 6, 2026

Top ranked elementary schools in California

Browse the elementary schools in California that clear 90% reading proficiency, with low-income share, magnet/selective context, and current math scores.

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Top Elementary Schools

23 California elementary schools clear 90% reading proficiency.

SchoolLow-Income %Reading
Cold Spring Elementary5.9%96.2%
Arundel Elementary11.3%95.5%
Murdock-Portal Elementary8.5%94.3%
North Hillsborough2.6%94.0%
William Faria Elementary12.5%93.7%
May 6, 2026

Top ranked high schools in California

Browse the high schools in California that clear 90% reading proficiency, with low-income share, magnet/selective context, and current math scores.

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Top High Schools

33 California high schools clear 90% reading proficiency.

SchoolLow-Income %Reading
William & Marian Ghidotti High21.3%100.0%
The High School at Moorpark College13.2%100.0%
Whitney (Gretchen) High31.6%99.2%
California Academy of Mathematics and Science37.4%98.7%
Middle College High53.6%98.7%
May 5, 2026

The best California schools serving the highest percentage of low-income students

Find California schools that serve the highest share of low-income students and still post strong academic results.

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Top Schools

Most standout high-poverty schools are elementary, but a few middle and high schools break through too.

SchoolLow-Income %Reading
Hoover Street Elementary98.2%69.8%
ICEF Vista Middle Academy96.4%62.2%
Middle College High91.1%72.4%
Hillside Elementary90.8%74.2%
Frank Sparkes Elementary92.9%71.2%
May 5, 2026

The best districts for English learners in California

Rank California districts and schools by English learner performance using the latest reading and math proficiency data.

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Top Elementary Schools

A small number of elementary schools post unusually strong reading results for English learners.

SchoolEL %Reading
Nelson S. Dilworth Elementary26.1%62.8%
Camellia Elementary24.9%65.6%
Blue Hills Elementary24.1%57.1%
Oak Hills Elementary8.8%70.8%
John Muir Elementary16.9%55.0%
May 5, 2026

The best districts for low-income students in California

Rank California districts and schools by low-income student performance using the latest reading and math proficiency data.

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Top Districts

A small group of districts post unusually strong reading results for low-income students.

DistrictLow-Income %Reading
San Marino Unified12.0%81.6%
Piedmont City Unified4.3%74.6%
La Canada Unified5.1%73.6%
Scotia Union Elementary72.6%67.3%
Fountain Valley Elementary27.9%68.9%
May 4, 2026

How California school performance is distributed

Understand where California school and district reading and math scores cluster, with median scores for each major school type.

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Apr 25, 2026

The smallest student-teacher ratios in California

See which California districts have the fewest students per teacher and whether smaller ratios really lead to better results.

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Smallest Ratios

The smallest districts are not always the strongest academically.

DistrictRatioReading
Mt. Baldy Joint Elementary0.5:158.3%
Ravendale-Termo Elementary3.0:140.0%
California School for the Deaf-Fremont (4.2:111.4%
California School for the Blind (State S5.3:122.2%
California School for the Deaf-Riverside5.4:14.7%
Apr 24, 2026

The biggest spenders in California

See which California districts spend the most per student and whether the results actually justify the cost.

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