College Park High

College Park High operates as a sprawling 9-12 campus in Pleasant Hill, California, run under Mt. Diablo Unified. Current enrollment sits at 1,948 students spanning grades 9 through 12. Enrollment runs roughly 132% above the state mean of about 838.

College Park High is one of 50 schools operated by Mt. Diablo Unified, a district that works with 29,210 students overall.

On the student-mix side, College Park High reports that the most-represented group is White (39%), with the rest of the student body spread across multiple groups. The remainder reads as 31% Hispanic, 14% Asian, 13% multiracial, 2% Black. That mix tracks the wider county fairly closely.

Looking at the economic backdrop, College Park High shows 85 full-time-equivalent teachers, putting the student-to-teacher ratio at about 22.9:1. Statewide, the average ratio sits near 18.2:1, putting College Park High higher than the state norm the norm. An estimated 41% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal.

Adjusting for the school's free-and-reduced-lunch share, College Park High sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 55.4%; this one delivers 52.5%.

In the area at large, census data for Contra Costa County shows median household income runs about $127,229, 45% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 6%. In all, Contra Costa County runs 280 public schools (combined enrollment of about 167,423 students), of which College Park High is one.

The closest other public school is Valley View Middle, roughly 0.1 miles away. Counting just inside five miles, 8 other public schools cluster around College Park High. Among the 9 schools in that immediate cluster with test data (this one included), College Park High ranks 5th on composite proficiency, ahead of the local average of 49.0%.

The school occupies an outer-ring site.

Trend over the last 7 years. Over the past 7-year window, the student count edged down 4%: 2,022 students in 2018 compared to 1,948 in 2025. White enrollment moved from 50% to 39% across the same window. The student-to-teacher ratio fell from 24.4:1 in 2018 to 22.9:1 today.

In the discussion threads here, the page collects discussion, questions, and updates around open house dates, ride-share offers, and field-trip permission slips. Posting is open to anyone connected to the school.