Marshall Elementary

As a mid-tier primary school in Castro Valley, California, Marshall Elementary teaches 515 students from grades K through 5, run under Castro Valley Unified.

Castro Valley Unified comprises 15 schools with combined enrollment of 9,548 students; Marshall Elementary is among them.

Looking at the student body, Marshall Elementary reports that the largest single group is Asian at 41%, but no single group is in the majority. The remainder reads as 28% Hispanic, 14% White, 12% multiracial, 4% Black. By comparison, Alameda County as a whole is about 33% Asian, so the school skews considerably more Asian than its surroundings.

In terms of school funding signals, Staff filings list 21 full-time-equivalent teachers, which works out to roughly 24.5:1 students per teacher. That figure is higher than the state norm's 22.3:1 average. Roughly 44% of students at Marshall Elementary qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator.

On a demographically-adjusted basis, Marshall Elementary ranks in the top 10% of California public schools. The BeatsExpectations model, a per-state regression of composite proficiency on FRL share, predicts schools with this student profile to land around 53.0%; Marshall Elementary posts 68.9%, +15.9 points above that line.

In the broader community, the surrounding county (Alameda County) records that the typical household earns roughly $129,367 per year, 52% of adults hold a bachelor's degree or higher, and the poverty rate sits near 6%. Marshall Elementary is one of 394 public schools in Alameda County (combined enrollment of about 210,511 students).

Creekside Middle is the nearest neighboring public school, about 0.3 miles from this campus. Counting just inside five miles, 8 other public schools cluster around Marshall Elementary. Among the 9 schools in that immediate cluster with test data (this one included), Marshall Elementary ranks 4th on composite proficiency, ahead of the local average of 65.9%.

Geographically, the school is in a commuter-belt area.

Looking at the recent track record. Looking back 7 years, enrollment at Marshall Elementary has edged up 3%, going from 502 students in 2018 to 515 in 2025. The Asian share of enrollment climbed from 26% to 41% over that span.

Inside the community feed, posts here usually surface around enrollment questions, classroom assignments, and PTA news. The community welcomes input from current and former families.