Antioch High

As a big senior high in Antioch, California, Antioch High educates 1,776 students from grades 9 through 12, run under Antioch Unified. Compared to the state average of about 838 students per school, that is 112% larger than typical.

Antioch Unified runs 25 schools in total, collectively educating 15,111 students. Antioch High is one of those campuses.

Looking at the student body, Antioch High records that 63% of the student body identifies as Hispanic; the rest is composed of 18% Black, 9% White, 4% multiracial, 4% Asian. By comparison, Contra Costa County as a whole is about 28% Hispanic, so the school skews visibly more Hispanic than its surroundings.

Looking at the economic backdrop, On paper, Antioch High has 85 full-time-equivalent teachers, translating to a class-load average of around 20.9:1. Statewide, the average ratio sits near 18.2:1, putting Antioch High higher than the state norm the norm. About 90% of enrolled students meet the income threshold for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. Set against Contra Costa County (around 45%), the school's rate is noticeably above typical.

After controlling for student poverty, Antioch High sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 25.8%; this one delivers 21.1%.

In the surrounding community, Contra Costa County reports that median household earnings sit near $127,229, roughly 45% of adults have completed at least a four-year degree, and the poverty rate sits near 6%. Antioch High is one of 280 public schools in Contra Costa County (combined enrollment of about 167,423 students).

Nearest neighbor: Live Oak High (Continuation), around 0.2 miles off. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts Antioch High at 1st of 6; the average score across the group is 11.8%.

The campus sits in an outer-ring setting.

Looking at the recent track record. Over the past 7-year window, the student count edged down 10%: 1,983 students in 2018 compared to 1,776 in 2025. Hispanic enrollment moved from 52% to 63% across the same window. Class-load math has tightened: from 24.5:1 in 2018 to 20.9:1 in 2025.

On this page, the page collects discussion, questions, and updates around classroom updates, athletics, and weather closures. The community welcomes input from current and former families.