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Email BoardLathrop High
647 Spartan Way, Lathrop, CA 95330-9770
Summary
Lathrop High is underperforming.
Reading and math results average to the 55th percentile among comparable California schools.
56.1% of students met California's reading standard, but it is slowly trending down.
Math is weaker: 22.4% of students met California's math standard, and it is slowly trending down.
Proficiency stats
| Current Reading Proficiency | 56.1% |
| Current Math Proficiency | 22.4% |
| Reading State Rank | 683/1,596 (57th percentile) |
| Math State Rank | 758/1,596 (53rd percentile) |
School information
| Student / Teacher Ratio | 21:1 |
| Student enrollment (2024–25) | 1,486 |
| Low-Income Students | 934 (62.9%) |
| English Learners | 180 (12.1%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 6.3 points from last year and fell 5.0 points over the full period. Math rose 1.9 points from last year and fell 3.9 points over the full period.
•Math -3.9 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
56.1% of tested students meet the reading standard in the grade shown. Overall, the school’s reading results rank in the top 43% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 15.9-point reading income gap is slightly wider than the 14.7-point gap at a typical California 9–12 school. It widened over the period shown.
•
English Learners vs English Native
0.0% of English learners meet the reading standard, compared with 61.0% 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
White students have the strongest math results at about 41% proficiency. The other reported groups range from about 11% to 38%.
Distribution of Scores by Grade
22.4% of tested students meet the math standard in the grade shown. Overall, the school’s math results rank in the top 48% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 6.6-point math income gap is narrower than the 14.2-point gap at a typical California 9–12 school. It narrowed over the period shown.
•English Learners vs English Native
0.0% of English learners meet the math standard, compared with 25.0% of English-only students. The gap widened as English-learner results fell and English-only results fell.
•How we compare income gaps
“Typical” means the median gap across 876 schools for reading and 882 for math. The comparison uses 2026 California 9–12 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 Lathrop High compare within the district?
Lathrop High is No. 2 in reading and No. 3 in math proficiency among the 5 9–12 schools in Manteca Unified with 2026 results.
Explore the district’s schoolsHow does Lathrop High rank in California?
Lathrop High ranks No. 683 of 1,596 in reading and No. 758 of 1,596 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Lathrop High compare within the district?
Low-income students here rank No. 2 in reading and No. 3 in math among 5 9–12 district schools with reportable 2026 results for this group. 50.5% meet the reading standard and 20.1% meet the math standard.
See results by student groupHow does Lathrop High compare with other schools in San Joaquin County?
Lathrop High is No. 16 in reading and No. 15 in math proficiency among the 31 9–12 schools in San Joaquin County with 2026 results.
Explore schools in San Joaquin CountyWhich schools should I compare?
Schools serving 9–12 in the same district.
| School | Math | Reading |
|---|---|---|
| Lathrop HighThis school | 22.4% | 56.1% |
| East Union High | 13.8% | 46.1% |
| Manteca High | 25.0% | 51.5% |
