Costa Mesa High
🇺🇸 Official data · 2025Costa Mesa, California 92626 · Newport-Mesa Unified
#718 of 1,343 high schools in California
#12343 of 16,910 nationally
About Costa Mesa High
Costa Mesa High is a public high located in Costa Mesa, in the Newport-Mesa Unified school district of California, United States. It caters for Grades 7–12. In 2025 it enrolled 1,730 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 34.3 out of 100, placing it in the lower 50% of high schools in United States and 718th of 1,343 ranked high schools in California. Its strongest component is reading proficiency (44th percentile), and its weakest is students per teacher (19th percentile).
Other published figures: enrollment 1,730.
There are 19 schools in Costa Mesa; Costa Mesa High ranks 11th of 18 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)32%
- Reading proficiency (30%)51%
- Community advantage (fewer free/reduced-price lunch) (25%)73.2%
- Students per teacher (15%)19.7
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Costa Mesa High by the official sources.
- Enrollment
- 1,730
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 73.2%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 19.7
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 51%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 32%
- Share of tested students proficient or above (all students, all grades).
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Schools near Costa Mesa High
Closest schools by straight-line distance, with their Success Index (US).
Maude B. Davis Elementary
Costa Mesa · Public elementary · Grades K–6
570 students · 447 m away
Sonora Elementary
Costa Mesa · Public elementary · Grades K–6
367 students · 1.1 km away
College Park Elementary
Costa Mesa · Public elementary · Grades K–6
473 students · 1.1 km away
Paularino Elementary
Costa Mesa · Public elementary · Grades K–6
371 students · 1.4 km away
Killybrooke Elementary
Costa Mesa · Public elementary · Grades K–6
473 students · 1.8 km away
Adams Elementary
Costa Mesa · Public elementary · Grades K–6
321 students · 2.5 km away
Charles W. Tewinkle Middle
Costa Mesa · Public middle · Grades 7–8
501 students · 2.5 km away
California Elementary
Costa Mesa · Public elementary · Grades K–6
373 students · 2.7 km away
Heinz Kaiser Elementary
Costa Mesa · Public elementary · Grades 3–6
539 students · 2.9 km away
Everett A. Rea Elementary
Costa Mesa · Public elementary · Grades K–6
344 students · 2.9 km away
Similar schools
Public high schools in California with a comparable Enrollment.
Colton High
Colton · Public high · Grades 9–12
1,729 students
Valhalla High
El Cajon · Public high · Grades 9–12
1,728 students
Orange High
Orange · Public high · Grades 9–12
1,728 students
La Mirada High
La Mirada · Public high · Grades 9–12
1,726 students
South High
Torrance · Public high · Grades 9–12
1,734 students
Dana Hills High
Dana Point · Public high · Grades 9–12
1,725 students
Frequently asked questions
Is Costa Mesa High a good school?
Costa Mesa High has a Success Index (US) of 34.3 out of 100 (Lower 50% of high schools in United States) and ranks #718 of 1,343 in California. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Costa Mesa High rank in California?
Costa Mesa High ranks #718 of 1,343 high schools in California and #12343 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Costa Mesa High?
Costa Mesa High had 1,730 students in 2025.
Is Costa Mesa High a elementary school or a high school?
Costa Mesa High is classified as a high covering Grades 7–12. It is a public school.
What other schools are near Costa Mesa High?
There are 10 schools within 15 km of Costa Mesa High; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.