Discovery Bay Elementary

Discovery Bay Elementary, a mid-sized elementary campus in Discovery Bay, California, one of the schools within Byron Union Elementary, teaches 417 students, covering grades K through 5.

Byron Union Elementary runs 4 schools in total, collectively educating 1,182 students. Discovery Bay Elementary is one of those campuses.

Looking at the student body, Discovery Bay Elementary shows that the most-represented group is Hispanic (42%), with the rest of the student body spread across multiple groups. Beyond that, the school shows 38% White, 11% multiracial, 5% Asian. By comparison, Contra Costa County as a whole is about 28% Hispanic, so the school skews visibly more Hispanic than its surroundings.

On the income-and-resources front, On paper, Discovery Bay Elementary has 19 full-time-equivalent teachers, translating to a class-load average of around 21.4:1. Statewide, the average ratio sits near 22.3:1, putting Discovery Bay Elementary tighter than the state norm the norm. About 41% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator.

On a residual basis (actual vs predicted given the student mix), Discovery Bay Elementary tracks the demographic baseline. The model predicts 54.9% given the school's FRL share; actual proficiency is 58.5%.

In the area at large, Contra Costa County reports that median household income runs about $127,229, roughly 45% of adults have completed at least a four-year degree, and the poverty rate sits near 6%. Across Contra Costa County's 280 public schools (combined enrollment of about 167,423 students), Discovery Bay Elementary is one campus in the mix.

Byron Institute for Independent Study is the nearest neighboring public school, about 1.2 miles from this campus. 5 of the 8 nearest public schools sit inside a five-mile radius. Among the 6 schools in that immediate cluster with test data (this one included), Discovery Bay Elementary ranks 1st on composite proficiency, above the local average of 46.3%.

Geographically, the school is in a small-town area.

Looking at the recent track record. Over the past 7-year window, the student count ticked down 11%: 469 students in 2018 compared to 417 in 2025. White enrollment moved from 55% to 38% across the same window. Class-load math has tightened: from 24.7:1 in 2018 to 21.4:1 in 2025.

On this page, members of the Discovery Bay Elementary community share and discuss fundraisers, lost-and-found posts, and report-card season. Anyone with firsthand experience at this school can post or comment.