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Email BoardRocketship Delta Prep
1700 Cavallo Road, Antioch, CA 94509-1930
Summary
Rocketship Delta Prep is badly underperforming.
Reading and math results average to the 39th percentile among comparable California schools.
Only 31.9% of students met California's reading standard, and it is slowly trending down.
39.0% of students met California's math standard, but it is quickly trending up.
Proficiency stats
| Current Reading Proficiency | 31.9% |
| Current Math Proficiency | 39.0% |
| Reading State Rank | 3,445/4,657 (26th percentile) |
| Math State Rank | 2,262/4,657 (51st percentile) |
School information
| Student / Teacher Ratio | 36:1 |
| Student enrollment (2024–25) | 540 |
| Low-Income Students | 356 (65.9%) |
| English Learners | 132 (24.4%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Lottery |
|---|---|
| Charter school | Yes |
| Magnet school | No |
Test score trends
Reading rose 2.3 points from last year and fell 3.4 points over the full period. Math rose 7.2 points from last year and rose 12.8 points over the full period.
•Math +12.8 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Black or African American and Hispanic or Latino students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 27.9% to 35.8% across the grades shown. Overall, the school’s reading results rank No. 3,445 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 20.5-point reading income gap is slightly wider than the 19.8-point gap at a typical California K–5 school. It widened over the period shown.
•English Learners vs English Native
11.9% of English learners meet the reading standard, compared with 32.0% of English-only students. The gap narrowed as English-learner results fell and English-only results fell.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Black or African American students have the strongest math results at about 39% proficiency. The other reported groups range from about 38% to 38%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 33.8% to 45.3% across the grades shown. Overall, the school’s math results rank in the top 49% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 10.7-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
16.7% of English learners meet the math standard, compared with 39.8% of English-only students. The gap widened as English-learner results rose and English-only results rose.
•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 Rocketship Delta Prep compare within the district?
Rocketship Delta Prep is No. 4 in reading and No. 1 in math proficiency among the 11 K–5 schools in Antioch Unified with 2026 results.
Explore the district’s schoolsHow does Rocketship Delta Prep rank in California?
Rocketship Delta Prep ranks No. 3,445 of 4,657 in reading and No. 2,262 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 Rocketship Delta Prep compare within the district?
Low-income students here rank No. 4 in reading and No. 1 in math among 11 K–5 district schools with reportable 2026 results for this group. 26.5% meet the reading standard and 36.2% meet the math standard.
See results by student groupHow does Rocketship Delta Prep compare with other schools in Antioch?
Rocketship Delta Prep is No. 4 in reading and No. 1 in math proficiency among the 11 K–5 schools in Antioch with 2026 results.
Explore schools in AntiochHow does Rocketship Delta Prep compare with other schools in Contra Costa County?
Rocketship Delta Prep is No. 89 in reading and No. 68 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 |
|---|---|---|
| Rocketship Delta PrepThis school | 39.0% | 31.9% |
| Belshaw Elementary | 18.1% | 15.7% |
| Diablo Vista Elementary | 31.9% | 41.8% |
