Ygnacio Valley High

Set in Concord, California, Ygnacio Valley High is an average-sized secondary school, operated by Mt. Diablo Unified. It enrolls 1,059 students across grades 9 through 12. Compared to the state average of about 838 students per school, that is 26% bigger than typical.

Across the 50 schools in Mt. Diablo Unified (29,210 students total), Ygnacio Valley High accounts for its share of the district's footprint.

Looking at the student body, Ygnacio Valley High shows that 78% of the student body identifies as Hispanic. Beyond that, the school lists 8% Asian, 5% White, 5% multiracial, 3% Black. By comparison, Contra Costa County as a whole is about 28% Hispanic, so the school skews noticeably more Hispanic than its surroundings.

In terms of school funding signals, Ygnacio Valley High lists 56 full-time-equivalent teachers, putting the student-to-teacher ratio at about 19.0:1. That figure is higher than the state norm's 18.2:1 average. About 81% of enrolled students meet the income threshold for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. That share is north of Contra Costa County's rate of about 45%.

Adjusting for the school's free-and-reduced-lunch share, Ygnacio Valley High performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 30.9%, the actual is 23.6%, a residual of -7.4 points.

In the area at large, Contra Costa County reports that median household income runs about $127,229, about 45% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 6%. Across Contra Costa County's 280 public schools (combined enrollment of about 167,423 students), Ygnacio Valley High is one campus in the mix.

The closest other public school is Contra Costa School of Performing Arts, roughly 0.3 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Ygnacio Valley High comes 6th of 8 in the immediate cluster, below the nearby-schools average of 50.3%.

Ygnacio Valley High operates from an outer-ring location.

Looking at the recent track record. Ygnacio Valley High's enrollment has ticked down 15% since 2018, when it stood at 1,246 (now 1,059). White enrollment moved from 10% to 5% across the same window. Class-load math has pulled in: from 20.1:1 in 2018 to 19.0:1 in 2025.

Within the allk12 community for this school, members of the Ygnacio Valley High community share and discuss pickup logistics, teacher feedback, and after-school programs. Members of the school community can share what they know.