Atascadero High

Atascadero High operates as an average-sized secondary school in Atascadero, California, run under Atascadero Unified. Current enrollment sits at 1,157 students spanning grades 9 through 12. That puts it 38% bigger than the typical public school in California, which averages around 838 students.

Across the 12 schools in Atascadero Unified (4,355 students total), Atascadero High accounts for its share of the district's footprint.

On the student-mix side, Atascadero High logs that White students make up the majority at 60%. The remainder looks like 32% Hispanic, 4% multiracial. That is visibly less White than the county at large, where the share is closer to 69%.

In terms of school funding signals, On paper, Atascadero High has 59 full-time-equivalent teachers, translating to a class-load average of around 19.6:1. Statewide, the average ratio sits near 18.2:1, putting Atascadero High higher than the state norm the norm. Roughly 45% of students at Atascadero High qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. By comparison, San Luis Obispo County runs at roughly 54%, so the school's eligibility rate is lower than the surrounding baseline.

On a residual basis (actual vs predicted given the student mix), Atascadero High is in the bottom 10% of California public schools. The BeatsExpectations model predicts schools with this FRL share to land around 52.7%; Atascadero High posts 36.8%, -15.9 points below that line.

Across the wider county, census data for San Luis Obispo County shows median household income runs about $97,446, 40% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 6%. Atascadero High is one of 83 public schools in San Luis Obispo County (combined enrollment of about 33,339 students).

Nearest neighbor: Fine Arts Academy, around 0.6 miles off. Within five miles, there are 8 other public schools. Among the 7 schools in that immediate cluster with test data (this one included), Atascadero High ranks 6th on composite proficiency, beneath the local average of 46.3%.

The school occupies a bedroom-community site.

Five-year trend. Looking back 7 years, enrollment at Atascadero High has fell 13%, going from 1,328 students in 2018 to 1,157 in 2025. Class-load math has tightened: from 21.1:1 in 2018 to 19.6:1 in 2025.

On this page, the page collects discussion, questions, and updates around school events, parent volunteer needs, and clubs. The community welcomes input from current and former families.