Pittsburg Senior High

As a roomy secondary school in Pittsburg, California, Pittsburg Senior High instructs 3,403 students from grades 9 through 12, operated by Pittsburg Unified. By comparison, California's public schools average about 838 students each, so Pittsburg Senior High sits 306% above that benchmark.

Pittsburg Unified comprises 13 schools with combined enrollment of 10,633 students; Pittsburg Senior High is among them.

On demographics, Pittsburg Senior High reports that 65% of the student body identifies as Hispanic. Beyond that, the school reports 17% Black, 8% Asian, 5% multiracial, 4% White. That is meaningfully more Hispanic than the county at large, where the share is closer to 28%.

Looking at school resources, Pittsburg Senior High records 158 full-time-equivalent teachers, putting the student-to-teacher ratio at about 21.5:1. Statewide, the average ratio sits near 18.2:1, putting Pittsburg Senior High higher than the state norm the norm. About 79% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. That share is higher than Contra Costa County's rate of about 45%.

With demographic context factored in, Pittsburg Senior High performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 32.3%, the actual is 20.4%, a residual of -11.9 points.

In the broader community, community-level numbers for Contra Costa County indicate median household income runs about $127,229, roughly 45% of adults have completed at least a four-year degree, 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 Pittsburg Senior High is one.

Martin Luther King Jr. Junior High is the nearest neighboring public school, about 0.7 miles from this campus. Counting just inside five miles, 8 other public schools cluster around Pittsburg Senior High. Ranking that nearby cluster on reported proficiency puts Pittsburg Senior High at 4th of 7; the average score across the group is 23.8%.

Pittsburg Senior High operates from a commuter-belt location.

Five-year trend. Over the past 7-year window, the student count declined 4%: 3,529 students in 2018 compared to 3,403 in 2025.

Within the allk12 community for this school, posts here usually surface around enrollment questions, classroom assignments, and PTA news. The community welcomes input from current and former families.