San Luis Obispo High

San Luis Obispo High is one of the substantial senior highs in San Luis Obispo, California, overseen by San Luis Coastal Unified, with 1,678 students on its rolls from grades 9 through 12. Enrollment runs roughly 100% bigger than the state mean of about 838.

San Luis Coastal Unified runs 16 schools in total, collectively educating 7,653 students. San Luis Obispo High is one of those campuses.

Looking at the student body, San Luis Obispo High shows that White students make up the majority at 56%; the rest breaks down as 31% Hispanic, 6% multiracial, 4% Asian. The wider county runs roughly 69% White, putting the school's mix meaningfully less White than the area baseline.

Looking at school resources, On paper, San Luis Obispo High has 78 full-time-equivalent teachers, translating to a class-load average of around 21.6:1. Statewide, the average ratio sits near 18.2:1, putting San Luis Obispo High higher than the state norm the norm. Roughly 39% of students at San Luis Obispo High qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. Set against San Luis Obispo County (around 54%), the school's rate is south of typical.

With demographic context factored in, San Luis Obispo High performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 56.3%, the actual is 59.6%, a residual of +3.3 points.

In the area at large, the surrounding county (San Luis Obispo County) reports that the typical household earns roughly $97,446 per year, roughly 40% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 6%. In all, San Luis Obispo County runs 83 public schools (combined enrollment of about 33,339 students), of which San Luis Obispo High is one.

The closest other public school is PEEP - PREPARE, roughly 0.2 miles away. Counting just inside five miles, 8 other public schools cluster around San Luis Obispo High. Among the 7 schools in that immediate cluster with test data (this one included), San Luis Obispo High ranks 6th on composite proficiency, behind the local average of 66.4%.

The campus sits in an inner-city setting.

Trend over the last 7 years. Over the past 7-year window, the student count expanded 10%: 1,526 students in 2018 compared to 1,678 in 2025. The Hispanic share of enrollment grew from 27% to 31% over that span. The student-to-teacher ratio tightened from 23.6:1 in 2018 to 21.6:1 today.

Within the allk12 community for this school, members of the San Luis Obispo High community share and discuss school events, parent volunteer needs, and clubs. The community welcomes input from current and former families.