Marsh Creek Elementary

As a middle-of-the-pack elementary campus in Brentwood, California, Marsh Creek Elementary works with 550 students from grades K through 5, run under Brentwood Union.

Brentwood Union runs 12 schools in total, collectively educating 9,932 students. Marsh Creek Elementary is one of those campuses.

For racial and ethnic makeup, Marsh Creek Elementary lists that the most-represented group is Hispanic (44%), with the rest of the student body spread across multiple groups. Beyond that, the school shows 19% White, 13% Asian, 12% multiracial, 10% Black. That is meaningfully more Hispanic than the county at large, where the share is closer to 28%.

On the income-and-resources front, The school lists 24 full-time-equivalent teachers, for a student-teacher ratio near 22.9:1. The state averages about 22.3:1, putting this campus right in line with peers. Around 52% of the student body qualifies for free or reduced-price meals, often used as a Title I proxy.

With demographic context factored in, Marsh Creek Elementary sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 48.3%; this one delivers 49.2%.

In the area at large, Contra Costa County reports that the typical household earns roughly $127,229 per year, roughly 45% of adults have completed at least a four-year degree, and roughly 6% of residents live below the federal poverty line. Marsh Creek Elementary is one of 280 public schools in Contra Costa County (combined enrollment of about 167,423 students).

Nearest neighbor: ISAAC R. MONTANEZ ELEMENTARY, around 0.5 miles off. Within five miles, there are 8 other public schools. Among the 5 schools in that immediate cluster with test data (this one included), Marsh Creek Elementary ranks 1st on composite proficiency, above the local average of 38.1%.

Marsh Creek Elementary operates from a commuter-belt location.

Five-year trend. Over the past 7-year window, the student count declined 19%: 678 students in 2018 compared to 550 in 2025. White enrollment moved from 37% to 19% across the same window. The student-to-teacher ratio tightened from 24.0:1 in 2018 to 22.9:1 today.

On the community side, recent activity here tends to focus on science fair prep, picture-day reminders, and bus-route questions. Contributors range from current parents to recent graduates and teachers.