South San Francisco High

South San Francisco High is one of the middle-of-the-pack four-year high schools in South San Francisco, California, overseen by South San Francisco Unified, with 1,239 students on its rolls from grades 9 through 12. Enrollment runs roughly 48% larger than the state mean of about 838.

South San Francisco High is one of 15 schools operated by South San Francisco Unified, a district that educates 7,644 students overall.

In terms of who attends, South San Francisco High shows that the largest single group is Hispanic, at 63% of enrollment. Other groups include 26% Asian, 5% White, 4% multiracial. By comparison, San Mateo County as a whole is about 25% Hispanic, so the school skews meaningfully more Hispanic than its surroundings.

In terms of school funding signals, The school reports having 68 full-time-equivalent teachers, for a student-teacher ratio near 18.3:1. That tracks the state average closely. An estimated 42% of students are eligible for free or reduced-price lunch, often used as a Title I proxy.

Adjusting for the school's free-and-reduced-lunch share, South San Francisco High sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 54.6%; this one delivers 42.1%.

Across the wider county, census data for San Mateo County shows median household income runs about $158,855, roughly 54% of adults have completed at least a four-year degree, and roughly 4% of residents live below the federal poverty line. Across San Mateo County's 176 public schools (combined enrollment of about 82,403 students), South San Francisco High is one campus in the mix.

The closest other public school is Los Cerritos Elementary, roughly 0.2 miles away. Within five miles, there are 8 other public schools. Among the 8 schools in that immediate cluster with test data (this one included), South San Francisco High ranks 3rd on composite proficiency, higher than the local average of 34.6%.

South San Francisco High operates from a metropolitan location.

Trend over the last 7 years. Over the past 7-year window, the student count decreased 11%: 1,388 students in 2018 compared to 1,239 in 2025. Over the same period, the Hispanic share climbed from 57% to 63%. Class-load math has pulled in: from 22.2:1 in 2018 to 18.3:1 in 2025.

On allk12, recent activity here tends to focus on school events, parent volunteer needs, and clubs. Members of the school community can share what they know.