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Email BoardCosta Mesa High
2650 Fairview Road, Costa Mesa, CA 92626-5537
Summary
Costa Mesa High is underperforming.
Reading and math results average to the 49th percentile among comparable California schools.
Only 42.5% of students met California's reading standard, and it is slowly trending down.
Math is weaker: 29.2% of students met California's math standard, it is holding steady.
Proficiency stats
| Current Reading Proficiency | 42.5% |
| Current Math Proficiency | 29.2% |
| Reading State Rank | 876/1,734 (50th percentile) |
| Math State Rank | 901/1,735 (48th percentile) |
School information
| Student / Teacher Ratio | 20:1 |
| Student enrollment (2024–25) | 1,730 |
| Low-Income Students | 1,277 (73.8%) |
| English Learners | 298 (17.2%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 7.4 points from last year and fell 4.6 points over the full period. Math fell 0.1 points from last year and rose 0.4 points over the full period.
•Math +0.4 percentage points (2024–2026)
Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Asian and Native Hawaiian or Pacific Islander students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 37.1% to 51.7% across the grades shown. Overall, the school’s reading results rank No. 876 of 1,734 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 25.0-point reading income gap is nearly twice as wide as the 13.0-point gap at a typical California 7–12 school. It narrowed over the period shown.
•English Learners vs English Native
1.1% of English learners meet the reading standard, compared with 51.9% 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
Asian students have the strongest math results at about 65% proficiency. The other reported groups range from about 18% to 44%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 26.4% to 32.9% across the grades shown. Overall, the school’s math results rank No. 901 of 1,735 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 29.1-point math income gap is wider than the 8.4-point gap at a typical California 7–12 school. It narrowed over the period shown.
•English Learners vs English Native
0.0% of English learners meet the math standard, compared with 38.2% 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 66 schools for reading and 66 for math. The comparison uses 2026 California 7–12 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 Costa Mesa High compare within the district?
Costa Mesa High is No. 3 in reading and No. 2 in math proficiency among the 4 7–12 schools in Newport-Mesa Unified with 2026 results.
Explore the district’s schoolsHow does Costa Mesa High rank in California?
Costa Mesa High ranks No. 876 of 1,734 in reading and No. 901 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 Costa Mesa High compare within the district?
Low-income students here rank No. 3 in reading and No. 2 in math among 4 7–12 district schools with reportable 2026 results for this group. 36.6% meet the reading standard and 22.4% meet the math standard.
See results by student groupHow does Costa Mesa High compare with other schools in Costa Mesa?
Costa Mesa High is No. 2 in reading and No. 1 in math proficiency among the 3 7–12 schools in Costa Mesa with 2026 results.
Explore schools in Costa MesaHow does Costa Mesa High compare with other schools in Orange County?
Costa Mesa High is No. 7 in reading and No. 5 in math proficiency among the 8 7–12 schools in Orange County with 2026 results.
Explore schools in Orange CountyWhich schools should I compare?
Schools serving 7–12 in the same district.
| School | Math | Reading |
|---|---|---|
| Costa Mesa HighThis school | 29.2% | 42.5% |
| Estancia High | 24.2% | 55.4% |
| Monte Vista High/Cloud Campus | 12.9% | 41.9% |
