Rio Vista High

Rio Vista High is one of the micro-enrollment four-year high schools in Rio Vista, California, part of River Delta Joint Unified, with 317 students on its rolls from grades 9 through 12. Compared to the state average of about 838 students per school, that is 62% smaller than typical.

River Delta Joint Unified runs 11 schools in total, collectively educating 1,705 students. Rio Vista High is one of those campuses.

In terms of who attends, Rio Vista High reports that the most-represented group is Hispanic (52%), with the rest of the student body spread across multiple groups. The remainder breaks down as 34% White, 8% multiracial, 3% Black. By comparison, Solano County as a whole is about 30% Hispanic, so the school skews noticeably more Hispanic than its surroundings.

Looking at school resources, Rio Vista High logs 19 full-time-equivalent teachers, putting the student-to-teacher ratio at about 16.8:1. That figure is tighter than the state norm's 18.2:1 average. An estimated 72% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. That share is above Solano County's rate of about 60%.

Adjusting for the school's free-and-reduced-lunch share, On a poverty-adjusted basis, Rio Vista High sits in the bottom 10% statewide. Predicted proficiency from the FRL regression is roughly 36.6%; actual is 5.5%, a gap of -31.2 points.

In the broader community, the surrounding county (Solano County) shows that median household income runs about $100,401, roughly 29% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 7%. Across Solano County's 110 public schools (combined enrollment of about 60,765 students), Rio Vista High is one campus in the mix.

The closest other public school is River Delta High/Elementary (Alternative), roughly 0.2 miles away. 4 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts Rio Vista High at 8th of 8; the average score across the group is 31.1%.

The school occupies a town-based site.

Looking at the recent track record. Over the past 7-year window, the student count shrank 18%: 385 students in 2018 compared to 317 in 2025. White enrollment moved from 49% to 34% across the same window. Class-load math has narrowed: from 18.5:1 in 2018 to 16.8:1 in 2025.

Inside the community feed, posts here usually surface around classroom updates, athletics, and weather closures. The community welcomes input from current and former families.