Los Altos High

Los Altos High operates as a large secondary school in Los Altos, California, one of the schools within Mountain View-Los Altos Union High. Current enrollment sits at 2,170 students spanning grades 9 through 12. Compared to the state average of about 838 students per school, that is 159% larger than typical.

Mountain View-Los Altos Union High comprises 3 schools with combined enrollment of 4,435 students; Los Altos High is among them.

Demographically, Los Altos High lists that the most-represented group is Asian (30%), with the rest of the student body spread across multiple groups. The remainder is composed of 29% White, 28% Hispanic, 10% multiracial. By comparison, Santa Clara County as a whole is about 41% Asian, so the school skews visibly less Asian than its surroundings.

Looking at the economic backdrop, Staff filings list 120 full-time-equivalent teachers, which works out to roughly 18.1:1 students per teacher. That tracks the state average closely. About 17% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. Set against Santa Clara County (around 37%), the school's rate is noticeably below typical.

Adjusting for the school's free-and-reduced-lunch share, Los Altos High tracks the demographic baseline. The model predicts 69.7% given the school's FRL share; actual proficiency is 71.4%.

Across the wider county, Santa Clara County reports that median household income runs about $164,281, 57% of adults hold a bachelor's degree or higher, and roughly 4% of residents live below the federal poverty line. Los Altos High is one of 412 public schools in Santa Clara County (combined enrollment of about 230,059 students).

Almond Elementary is the nearest neighboring public school, about 0.4 miles from this campus. Within five miles, there are 8 other public schools. Among the 8 schools in that immediate cluster with test data (this one included), Los Altos High ranks 6th on composite proficiency, above the local average of 69.7%.

The campus sits in a suburban setting.

Looking at the recent track record. Over the past 7-year window, the student count contracted 3%: 2,234 students in 2018 compared to 2,170 in 2025. The White share of enrollment contracted from 39% to 29% over that span. The student-to-teacher ratio tightened from 20.2:1 in 2018 to 18.1:1 today.

Inside the community feed, posts here usually surface around sports schedules, lunch menu changes, and school spirit week. Contributors range from current parents to recent graduates and teachers.