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Email BoardSummer Lake Elementary
4320 East Summer Lake Drive, Oakley, CA 94561
Summary
Summer Lake Elementary is badly underperforming.
Reading and math results average to the 39th percentile among comparable California schools.
Only 38.9% of students met California's reading standard, and it is slowly trending down.
Math is weaker: 31.6% of students met California's math standard, and it is trending down slightly.
Proficiency stats
| Current Reading Proficiency | 38.9% |
| Current Math Proficiency | 31.6% |
| Reading State Rank | 2,775/4,657 (40th percentile) |
| Math State Rank | 2,878/4,657 (38th percentile) |
School information
| Student / Teacher Ratio | 21:1 |
| Student enrollment (2024–25) | 595 |
| Low-Income Students | 261 (43.9%) |
| English Learners | 80 (13.4%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 1.9 points from last year and fell 3.8 points over the full period. Math was unchanged from last year and fell 2.0 points over the full period.
•Math -2.0 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Two or more races and Filipino students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 34.1% to 43.7% across the grades shown. Overall, the school’s reading results rank No. 2,775 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 14.8-point reading income gap is narrower than the 19.8-point gap at a typical California K–5 school. It widened over the period shown.
•English Learners vs English Native
3.7% of English learners meet the reading standard, compared with 40.6% of English-only students. The gap widened as English-learner results fell and English-only results fell.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Filipino students have the strongest math results at about 45% proficiency. The other reported groups range from about 26% to 37%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 26.8% to 39.8% across the grades shown. Overall, the school’s math results rank No. 2,878 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 15.3-point math income gap is narrower than the 20.0-point gap at a typical California K–5 school. It narrowed slightly over the period shown.
•English Learners vs English Native
4.2% of English learners meet the math standard, compared with 32.7% of English-only students. The gap narrowed as English-learner results rose and English-only results fell.
•Progress as students move up
2023–2026
How we compare income gaps
“Typical” means the median gap across 1,832 schools for reading and 1,839 for math. The comparison uses 2026 California K–5 schools with at least 20 tested students in each income group and a reported low-income student population. Each school counts once. Its gap is non-low-income proficiency minus low-income proficiency, including negative gaps. California state test data
Understanding this school
How does Summer Lake Elementary compare within the district?
Summer Lake Elementary is No. 2 in reading and No. 3 in math proficiency among the 7 K–5 schools in Oakley Union Elementary with 2026 results.
Explore the district’s schoolsHow does Summer Lake Elementary rank in California?
Summer Lake Elementary ranks No. 2,775 of 4,657 in reading and No. 2,878 of 4,657 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Summer Lake Elementary compare within the district?
Low-income students here rank No. 4 in both subjects among 7 K–5 district schools with reportable 2026 results for this group. 31.1% meet the reading standard and 23.5% meet the math standard.
See results by student groupHow does Summer Lake Elementary compare with other schools in Oakley?
Summer Lake Elementary is No. 2 in reading and No. 3 in math proficiency among the 7 K–5 schools in Oakley with 2026 results.
Explore schools in OakleyHow does Summer Lake Elementary compare with other schools in Contra Costa County?
Summer Lake Elementary is No. 77 in reading and No. 78 in math proficiency among the 113 K–5 schools in Contra Costa County with 2026 results.
Explore schools in Contra Costa CountyWhich schools should I compare?
Schools serving K–5 in the same district.
| School | Math | Reading |
|---|---|---|
| Summer Lake ElementaryThis school | 31.6% | 38.9% |
| Almond Grove Elementary | 38.8% | 34.7% |
| Gehringer Elementary | 36.8% | 42.0% |
