Tesoro High

Set in Las Flores, California, Tesoro High is an expansive senior high, overseen by Capistrano Unified. It works with 2,030 students across grades 9 through 12. That puts it 142% bigger than the typical public school in California, which averages around 838 students.

Capistrano Unified runs 58 schools in total, collectively educating 40,251 students. Tesoro High is one of those campuses.

Demographically, Tesoro High lists that White students make up the majority at 56%. Beyond that, the school shows 16% Hispanic, 16% Asian, 10% multiracial. By comparison, Orange County as a whole is about 43% White, so the school skews considerably more White than its surroundings.

Looking at the economic backdrop, Tesoro High logs 89 full-time-equivalent teachers, putting the student-to-teacher ratio at about 22.7:1. The state averages around 18.2:1, so this campus is higher than the state norm typical. About 23% of enrolled students meet the income threshold for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. That share is south of Orange County's rate of about 55%.

With demographic context factored in, Tesoro High tracks the demographic baseline. The model predicts 65.6% given the school's FRL share; actual proficiency is 69.1%.

In the area at large, community-level numbers for Orange County indicate median household income runs about $116,289, about 44% of the adult population holds a bachelor's degree or above, and the poverty rate sits near 7%. Across Orange County's 649 public schools (combined enrollment of about 430,458 students), Tesoro High is one campus in the mix.

Nearest neighbor: Las Flores Middle, around 1.0 miles off. Within five miles, there are 8 other public schools. On composite proficiency, Tesoro High comes 9th of 9 in the immediate cluster, beneath the nearby-schools average of 77.4%.

The school occupies a commuter-belt site.

Five-year trend. Tesoro High's enrollment has shrank 21% since 2018, when it stood at 2,583 (now 2,030). White enrollment moved from 66% to 56% across the same window. Class-load math has tightened: from 25.6:1 in 2018 to 22.7:1 in 2025.

On allk12, members of the Tesoro High community share and discuss sports schedules, lunch menu changes, and school spirit week. Contributors range from current parents to recent graduates and teachers.