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Email BoardJoe Serna Jr. Charter
4620 East Acampo Road, Acampo, CA 95220-9601
Summary
Joe Serna Jr. Charter is underperforming.
Reading and math results average to the 59th percentile among comparable California schools.
Only 49.6% of students met California's reading standard, but it is holding steady.
Math is weaker: 32.1% of students met California's math standard, and it is trending down slightly.
Proficiency stats
| Current Reading Proficiency | 49.6% |
| Current Math Proficiency | 32.1% |
| Reading State Rank | 630/1,734 (64th percentile) |
| Math State Rank | 804/1,735 (54th percentile) |
School information
| Student / Teacher Ratio | 18:1 |
| Student enrollment (2024–25) | 369 |
| Low-Income Students | 270 (73.2%) |
| English Learners | 125 (33.9%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | Yes |
| Magnet school | No |
Test score trends
Reading fell 2.1 points from last year and was unchanged over the full period. Math fell 5.1 points from last year and fell 1.1 points over the full period.
Reading Proficiency Scores
2026 state test results
Race and Ethnicity
White and Hispanic or Latino students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 22.7% to 67.7% across the grades shown. Overall, the school’s reading results rank in the top 37% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 22.8-point reading income gap is wider than the 16.5-point gap at a typical California K–8 school. It narrowed over the period shown.
•English Learners vs English Native
4.5% of English learners meet the reading standard, compared with 61.3% 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
White students have the strongest math results at about 54% proficiency. The other reported groups range from about 27% to 27%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 22.7% to 38.2% across the grades shown. Overall, the school’s math results rank in the top 47% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 22.6-point math income gap is wider than the 15.5-point gap at a typical California K–8 school. It widened over the period shown.
•English Learners vs English Native
6.8% of English learners meet the math standard, compared with 38.3% of English-only students. The gap widened 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 802 schools for reading and 801 for math. The comparison uses 2026 California K–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 Joe Serna Jr. Charter compare within the district?
Joe Serna Jr. Charter is No. 1 in both reading and math proficiency among the 2 K–8 schools in Lodi Unified with 2026 results.
Explore the district’s schoolsHow does Joe Serna Jr. Charter rank in California?
Joe Serna Jr. Charter ranks No. 630 of 1,734 in reading and No. 804 of 1,735 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Joe Serna Jr. Charter compare within the district?
Low-income students here rank No. 1 in both subjects among 2 K–8 district schools with reportable 2026 results for this group. 43.4% meet the reading standard and 25.9% meet the math standard.
See results by student groupHow does Joe Serna Jr. Charter compare with other schools in Acampo?
Joe Serna Jr. Charter is No. 2 in both reading and math proficiency among the 2 K–8 schools in Acampo with 2026 results.
Explore schools in AcampoHow does Joe Serna Jr. Charter compare with other schools in San Joaquin County?
Joe Serna Jr. Charter is No. 24 in reading and No. 29 in math proficiency among the 102 K–8 schools in San Joaquin County with 2026 results.
Explore schools in San Joaquin CountyWhich schools should I compare?
Schools serving K–8 in the same district or city.
| School | Math | Reading |
|---|---|---|
| Joe Serna Jr. CharterThis school | 32.1% | 49.6% |
| Lockeford Elementary | 19.1% | 23.0% |
| Oak View Elementary | 55.9% | 59.8% |
