San Clemente High

San Clemente High, a substantial 9-12 campus in San Clemente, California, part of Capistrano Unified, works with 2,740 students, covering grades 9 through 12. Enrollment runs roughly 227% bigger than the state mean of about 838.

San Clemente High is one of 58 schools operated by Capistrano Unified, a district that works with 40,251 students overall.

On the student-mix side, San Clemente High records that 60% of the student body identifies as White. Beyond that, the school logs 28% Hispanic, 9% multiracial, 2% Asian. That is considerably more White than the county at large, where the share is closer to 43%.

Looking at school resources, The school employs 116 full-time-equivalent teachers, for a student-teacher ratio near 23.6:1. That figure is higher than the state norm's 18.2:1 average. An estimated 38% of students are eligible for free or reduced-price lunch, often used as a Title I proxy. That share is south of Orange County's rate of about 55%.

On a demographically-adjusted basis, San Clemente High tracks the demographic baseline. The model predicts 57.1% given the school's FRL share; actual proficiency is 60.7%.

In the broader community, census data for Orange County shows the typical household earns roughly $116,289 per year, 44% of adults hold a bachelor's degree or higher, and the poverty rate sits near 7%. Across Orange County's 649 public schools (combined enrollment of about 430,458 students), San Clemente High is one campus in the mix.

The closest other public school is Marblehead Elementary, roughly 0.8 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts San Clemente High at 5th of 9; the average score across the group is 58.6%.

Geographically, the school is in a commuter-belt area.

Five-year trend. Looking back 7 years, enrollment at San Clemente High has fell 9%, going from 3,026 students in 2018 to 2,740 in 2025. Class-load math has tightened: from 25.1:1 in 2018 to 23.6:1 in 2025.

In the discussion threads here, members of the San Clemente High community share and discuss science fair prep, picture-day reminders, and bus-route questions. Posting is open to anyone connected to the school.