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Email BoardDelta Vista Middle
4901 Frank Hengel Way, Oakley, CA 94561-3712
Summary
Delta Vista Middle is badly underperforming.
Reading and math results average to the 25th percentile among comparable California schools.
Only 36.3% of students met California's reading standard, but it is trending up slightly.
Math is weaker: 16.1% of students met California's math standard, it is holding steady.
Proficiency stats
| Current Reading Proficiency | 36.3% |
| Current Math Proficiency | 16.1% |
| Reading State Rank | 816/1,204 (32nd percentile) |
| Math State Rank | 996/1,204 (17th percentile) |
School information
| Student / Teacher Ratio | 21:1 |
| Student enrollment (2024–25) | 873 |
| Low-Income Students | 383 (43.9%) |
| English Learners | 94 (10.8%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 3.0 points from last year and rose 2.2 points over the full period. Math fell 1.2 points from last year and fell 0.3 points over the full period.
•Math -0.3 percentage points (2024–2026)
Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Filipino and Asian students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 34.2% to 38.5% across the grades shown. Overall, the school’s reading results rank No. 816 of 1,204 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 13.6-point reading income gap is narrower than the 19.5-point gap at a typical California 6–8 school. It narrowed over the period shown.
•English Learners vs English Native
5.9% of English learners meet the reading standard, compared with 35.3% of English-only students. The gap narrowed as English-learner results rose and English-only results rose.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Filipino students have the strongest math results at about 38% proficiency. The other reported groups range from about 7% to 35%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 12.2% to 22.7% across the grades shown. Overall, the school’s math results rank No. 996 of 1,204 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 10.9-point math income gap is narrower than the 19.2-point gap at a typical California 6–8 school. It widened over the period shown.
•English Learners vs English Native
0.0% of English learners meet the math standard, compared with 14.8% of English-only students. The gap narrowed as English-learner results fell and English-only results fell.
•Progress as students move up
2023–2026
How we compare income gaps
“Typical” means the median gap across 795 schools for reading and 796 for math. The comparison uses 2026 California 6–8 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 Delta Vista Middle compare within the district?
Delta Vista Middle is No. 1 in both reading and math proficiency among the 2 6–8 schools in Oakley Union Elementary with 2026 results.
Explore the district’s schoolsHow does Delta Vista Middle rank in California?
Delta Vista Middle ranks No. 816 of 1,204 in reading and No. 996 of 1,204 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Delta Vista Middle compare within the district?
Low-income students here rank No. 1 in both subjects among 2 6–8 district schools with reportable 2026 results for this group. 28.9% meet the reading standard and 10.1% meet the math standard.
See results by student groupHow does Delta Vista Middle compare with other schools in Oakley?
Delta Vista Middle is No. 1 in both reading and math proficiency among the 2 6–8 schools in Oakley with 2026 results.
Explore schools in OakleyHow does Delta Vista Middle compare with other schools in Contra Costa County?
Delta Vista Middle is No. 25 in reading and No. 26 in math proficiency among the 37 6–8 schools in Contra Costa County with 2026 results.
Explore schools in Contra Costa CountyWhich schools should I compare?
Schools serving 6–8 in the same district.
| School | Math | Reading |
|---|---|---|
| Delta Vista MiddleThis school | 16.1% | 36.3% |
| O'Hara Park Middle | 15.1% | 35.9% |
