Castro Valley Virtual Academy

As a micro-enrollment all-grades campus in Castro Valley, California, Castro Valley Virtual Academy educates 45 students from grades K through 12, part of Castro Valley Unified. Compared to the state average of about 602 students per school, that is 93% smaller than typical.

Within Castro Valley Unified, which oversees 15 schools and 9,548 students, Castro Valley Virtual Academy is one campus in the system.

For racial and ethnic makeup, Castro Valley Virtual Academy records that the most-represented group is Hispanic (29%), with the rest of the student body spread across multiple groups. Other groups include 24% White, 22% Asian, 20% multiracial, 4% Black.

Looking at the economic backdrop, Castro Valley Virtual Academy records 4 full-time-equivalent teachers, putting the student-to-teacher ratio at about 12.4:1. That figure is tighter than the state norm's 18.6:1 average. An estimated 40% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. Set against Alameda County (around 49%), the school's rate is meaningfully below typical.

In the broader community, census data for Alameda County shows the typical household earns roughly $129,367 per year, about 52% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 6%. In all, Alameda County runs 394 public schools (combined enrollment of about 210,511 students), of which Castro Valley Virtual Academy is one.

Roy A. Johnson High is the nearest neighboring public school, about 0.0 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius.

The school occupies a suburban site. Castro Valley Virtual Academy delivers learning online rather than in a traditional classroom setting.

Looking at the recent track record. Castro Valley Virtual Academy's enrollment has expanded 246% since 2018, when it stood at 13 (now 45). The White share of enrollment fell from 31% to 24% over that span. Class-load math has pulled in: from 21.7:1 in 2018 to 12.4:1 in 2025.

Within the allk12 community for this school, the page collects discussion, questions, and updates around classroom updates, athletics, and weather closures. The community welcomes input from current and former families.