William B. Bristow Middle

William B. Bristow Middle is a large middle-grades school in Brentwood, California, one of the schools in Brentwood Union. The school counted 1,223 students in 2024-25, covering grades 6 through 8. The school is 86% bigger than the average for middle schools in California.

Brentwood Union oversees William B. Bristow Middle and 11 other schools, with 9,932 students in total.

The largest racial or ethnic group at William B. Bristow Middle is Hispanic, with 35% of students. Other groups include 34% White, 12% Asian, 12% multiracial, and 7% Black. On the diversity index, which measures the chance that two random students are from different groups, William B. Bristow Middle scores 73%.

William B. Bristow Middle reports a ratio of 24.1 students per teacher, from 50.8 full-time-equivalent teachers. Across middle schools in California, the average ratio is 20.7:1.

On the allk12 Grade, William B. Bristow Middle lands at B-, ahead of 52% of California public middle schools.

In Contra Costa County, where the school is located, the median household earns about $127,229 a year, roughly 45% of adults have a four-year degree or more, and the share of residents below the poverty line is 6%. Public schools in Contra Costa County number 280, with about 167,423 students.

Brentwood Elementary is about 0.8 miles from William B. Bristow Middle, the shortest distance to any other public school. The five-mile area around William B. Bristow Middle holds at least 8 other public schools.

Locale data from NCES put William B. Bristow Middle in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more (Suburb: Large).

Enrollment was 1,223 in 2024-25. In 2020-21, it was 1,142.

Use the discussion section to ask about homework, tutoring, and testing dates at William B. Bristow Middle. Current and former families are welcome to add their experience.