Jack London Elementary

As a medium-sized elementary campus in Antioch, California, Jack London Elementary instructs 446 students from grades K through 6, part of Antioch Unified.

Across the 25 schools in Antioch Unified (15,111 students total), Jack London Elementary accounts for its share of the district's footprint.

For racial and ethnic makeup, Jack London Elementary records that 39% of students identify as Hispanic, with the remaining enrollment distributed across several groups. Beyond that, the school lists 29% Black, 13% Asian, 9% White, 5% multiracial. The wider county runs roughly 28% Hispanic, putting the school's mix considerably more Hispanic than the area baseline.

In terms of school funding signals, The school currently runs with 19 full-time-equivalent teachers, for a student-teacher ratio near 23.2:1. That figure is higher than the state norm's 22.3:1 average. Around 77% of the student body qualifies for free or reduced-price meals, a number frequently used as a low-income enrollment indicator. That share is higher than Contra Costa County's rate of about 45%.

With demographic context factored in, Jack London Elementary is in the bottom 10% of California public schools. The BeatsExpectations model predicts schools with this FRL share to land around 33.7%; Jack London Elementary posts 17.9%, -15.8 points below that line.

Zooming out to the county, 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 roughly 6% of residents live below the federal poverty line. In all, Contra Costa County runs 280 public schools (combined enrollment of about 167,423 students), of which Jack London Elementary is one.

Nearest neighbor: Black Diamond Middle, around 0.5 miles off. Within five miles, there are 8 other public schools. Among the 8 schools in that immediate cluster with test data (this one included), Jack London Elementary ranks 7th on composite proficiency, below the local average of 22.9%.

The school occupies an outer-ring site.

Five-year trend. Over the past 7-year window, the student count decreased 13%: 513 students in 2018 compared to 446 in 2025. The student-to-teacher ratio pulled in from 24.9:1 in 2018 to 23.2:1 today.

Inside the community feed, posts here usually surface around open house dates, ride-share offers, and field-trip permission slips. Contributors range from current parents to recent graduates and teachers.