San Marcos High
🇺🇸 Official data · 2025San Marcos, California 92078 · San Marcos Unified
#258 of 1,343 high schools in California
#6076 of 16,910 nationally
About San Marcos High
San Marcos High is a public high located in San Marcos, in the San Marcos Unified school district of California, United States. It caters for Grades 9–12. In 2025 it enrolled 3,067 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 59.0 out of 100, placing it in the top 50% of high schools in United States and 258th of 1,343 ranked high schools in California. Its strongest component is community advantage (fewer free/reduced-price lunch) (78th percentile), and its weakest is students per teacher (4th percentile).
Other published figures: enrollment 3,067.
There are 19 schools in San Marcos; San Marcos High ranks 9th of 18 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)44%
- Reading proficiency (30%)70%
- Community advantage (fewer free/reduced-price lunch) (25%)32%
- Students per teacher (15%)25.3
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 San Marcos High by the official sources.
- Enrollment
- 3,067
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 32%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 25.3
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 70%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 44%
- Share of tested students proficient or above (all students, all grades).
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Schools near San Marcos High
Closest schools by straight-line distance, with their Success Index (US).
High Tech Middle North County
San Marcos · Charter middle · Grades 6–8
341 students · 438 m away
High Tech High North County
San Marcos · Charter high · Grades 9–12
409 students · 438 m away
High Tech Elementary North County
San Marcos · Charter elementary · Grades K–5
438 students · 579 m away
Pivot Charter School - San Diego II
San Marcos · Charter other · Grades K–12
90 students · 646 m away
La Mirada Academy
San Marcos · Public elementary · Grades K–8
868 students · 1.5 km away
Discovery Elementary
San Marcos · Public elementary · Grades K–5
717 students · 1.5 km away
Joli Ann Leichtag Elementary
Vista · Public elementary · Grades K–5
579 students · 2.9 km away
Carrillo Elementary
Carlsbad · Public elementary · Grades K–5
725 students · 3.1 km away
San Marcos Middle
San Marcos · Public middle · Grades 6–8
968 students · 3.4 km away
San Elijo Elementary
San Marcos · Public elementary · Grades K–5
834 students · 3.5 km away
Similar schools
Public high schools in California with a comparable Enrollment.
Bakersfield High
Bakersfield · Public high · Grades 9–12
3,069 students
Pioneer Valley High
Santa Maria · Public high · Grades 9–12
3,080 students
Dougherty Valley High
San Ramon · Public high · Grades 9–12
3,039 students
James Logan High
Union City · Public high · Grades 9–12
3,096 students
Clovis East High
Clovis · Public high · Grades 9–12
3,113 students
Chaffey High
Ontario · Public high · Grades 9–12
3,127 students
Frequently asked questions
Is San Marcos High a good school?
San Marcos High has a Success Index (US) of 59.0 out of 100 (Top 50% of high schools in United States) and ranks #258 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 San Marcos High rank in California?
San Marcos High ranks #258 of 1,343 high schools in California and #6076 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend San Marcos High?
San Marcos High had 3,067 students in 2025.
Is San Marcos High a elementary school or a high school?
San Marcos High is classified as a high covering Grades 9–12. It is a public school.
What other schools are near San Marcos High?
There are 10 schools within 15 km of San Marcos High; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.