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Email BoardJack London Elementary
4550 Country Hills Drive, Antioch, CA 94531-8906
Summary
Jack London Elementary is badly underperforming.
Reading and math results average to the 9th percentile among comparable California schools.
Only 23.6% of students met California's reading standard, but it is slowly trending up.
Math is weaker: 15.4% of students met California's math standard, and it is trending down slightly.
Proficiency stats
| Current Reading Proficiency | 23.6% |
| Current Math Proficiency | 15.4% |
| Reading State Rank | 4,151/4,657 (11th percentile) |
| Math State Rank | 4,318/4,657 (7th percentile) |
School information
| Student / Teacher Ratio | 19:1 |
| Student enrollment (2024–25) | 446 |
| Low-Income Students | 343 (76.9%) |
| English Learners | 59 (13.2%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 1.5 points from last year and rose 4.1 points over the full period. Math rose 1.6 points from last year and fell 1.4 points over the full period.
•Math -1.4 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Filipino and Two or more races students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 16.7% to 31.8% across the grades shown. Overall, the school’s reading results rank No. 4,151 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 11.1-point reading income gap is narrower than the 17.6-point gap at a typical California K–6 school. It narrowed over the period shown.
•English Learners vs English Native
2.9% of English learners meet the reading standard, compared with 23.0% of English-only students. The gap widened as English-learner results fell and English-only results rose.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Asian students have the strongest math results at about 38% proficiency. The other reported groups range from about 10% to 32%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 3.6% to 24.1% across the grades shown. Overall, the school’s math results rank No. 4,318 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 12.7-point math income gap is narrower than the 17.5-point gap at a typical California K–6 school. It narrowed slightly over the period shown.
•English Learners vs English Native
8.3% of English learners meet the math standard, compared with 15.9% 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 1,479 schools for reading and 1,483 for math. The comparison uses 2026 California K–6 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 Jack London Elementary compare within the district?
Jack London Elementary is No. 1 in both reading and math proficiency among the 3 K–6 schools in Antioch Unified with 2026 results.
Explore the district’s schoolsHow does Jack London Elementary rank in California?
Jack London Elementary ranks No. 4,151 of 4,657 in reading and No. 4,318 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 Jack London Elementary compare within the district?
Low-income students here rank No. 1 in both subjects among 3 K–6 district schools with reportable 2026 results for this group. 22.2% meet the reading standard and 13.7% meet the math standard.
See results by student groupHow does Jack London Elementary compare with other schools in Antioch?
Jack London Elementary is No. 1 in both reading and math proficiency among the 3 K–6 schools in Antioch with 2026 results.
Explore schools in AntiochHow does Jack London Elementary compare with other schools in Contra Costa County?
Jack London Elementary is No. 15 in reading and No. 18 in math proficiency among the 32 K–6 schools in Contra Costa County with 2026 results.
Explore schools in Contra Costa CountyWhich schools should I compare?
Schools serving K–6 in the same district.
| School | Math | Reading |
|---|---|---|
| Jack London ElementaryThis school | 15.4% | 23.6% |
| Carmen Dragon Elementary | 12.5% | 21.6% |
| Grant Elementary | 13.8% | 20.9% |
