Columbia Elementary

Columbia Elementary is a K-5 school of medium-sized scale in Lancaster, California, part of Eastside Union Elementary, educateing 620 students in grades K through 6. Enrollment runs roughly 33% above the state mean of about 465.

Eastside Union Elementary runs 6 schools in total, collectively educating 3,032 students. Columbia Elementary is one of those campuses.

On demographics, Columbia Elementary lists that 67% of the student body identifies as Hispanic; the rest comes out to 24% Black, 4% White, 3% multiracial. By comparison, Los Angeles County as a whole is about 48% Hispanic, so the school skews noticeably more Hispanic than its surroundings.

Looking at school resources, On paper, Columbia Elementary has 28 full-time-equivalent teachers, translating to a class-load average of around 22.1:1. That tracks the state average closely. An estimated 89% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. By comparison, Los Angeles County runs at roughly 70%, so the school's eligibility rate is higher than the surrounding baseline.

After controlling for student poverty, Columbia Elementary sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 26.7%; this one delivers 16.2%.

Around the school, Los Angeles County reports that median household income runs about $90,112, roughly 36% of adults have completed at least a four-year degree, and the poverty rate sits near 10%. Across Los Angeles County's 2244 public schools (combined enrollment of about 1,265,907 students), Columbia Elementary is one campus in the mix.

Nearest neighbor: Eastside High, around 0.8 miles off. Within five miles, there are 8 other public schools. Among the 7 schools in that immediate cluster with test data (this one included), Columbia Elementary ranks 6th on composite proficiency, behind the local average of 19.3%.

The campus sits in a residential setting.

Trend over the last 7 years. Over the past 7-year window, the student count decreased 19%: 765 students in 2018 compared to 620 in 2025. Black enrollment moved from 20% to 24% across the same window. Class-load math has tightened: from 23.9:1 in 2018 to 22.1:1 in 2025.

Within the allk12 community for this school, the page collects discussion, questions, and updates around sports schedules, lunch menu changes, and school spirit week. Anyone with firsthand experience at this school can post or comment.