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Email BoardTwin Oaks High
158 Cassou Road, San Marcos, CA 92069-9702
Summary
Twin Oaks High is badly underperforming.
Reading and math results average to the 13th percentile among comparable California schools.
Only 10.7% of students met California's reading standard, and it is trending down slightly.
Math is weaker: 3.5% of students met California's math standard, but it is slowly trending up.
Proficiency stats
| Current Reading Proficiency | 10.7% |
| Current Math Proficiency | 3.5% |
| Reading State Rank | 1,424/1,596 (11th percentile) |
| Math State Rank | 1,345/1,596 (16th percentile) |
School information
| Student / Teacher Ratio | 10:1 |
| Student enrollment (2024–25) | 192 |
| Low-Income Students | 108 (56.3%) |
| English Learners | 32 (16.7%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 1.0 points from last year and fell 1.2 points over the full period. Math rose 2.1 points from last year and rose 3.5 points over the full period.
•Math +3.5 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Only one group has a reportable reading result.
Distribution of Scores by Grade
10.7% of tested students meet the reading standard in the grade shown. Overall, the school’s reading results rank No. 1,424 of 1,596 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
Low-income students are 3.9 points ahead in reading. It narrowed slightly over the period shown.
•English Learners vs English Native
0.0% of English learners meet the reading standard, compared with 12.5% of English-only students. The gap narrowed as English-learner results held steady and English-only results fell.
Math Proficiency Scores
2026 state test results
Race and Ethnicity
Only one group has a reportable math result.
Distribution of Scores by Grade
3.4% of tested students meet the math standard in the grade shown. Overall, the school’s math results rank No. 1,345 of 1,596 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
Low-income students are 4.5 points ahead in math. It widened over the period shown.
•English Learners vs English Native
English-learner math proficiency held steady at 0.0%, while English-only results rose. The gap widened.
How we compare income gaps
“Typical” means the median gap across 12 schools for reading and 12 for math. The comparison uses 2026 California 10–12 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 Twin Oaks High rank in California?
Twin Oaks High ranks No. 1,424 of 1,596 in reading and No. 1,345 of 1,596 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How does Twin Oaks High compare with other schools in San Diego County?
Twin Oaks High is No. 6 in reading and No. 3 in math proficiency among the 8 10–12 schools in San Diego County with 2026 results.
Explore schools in San Diego County