Mariposa Elementary

Mariposa Elementary, a big elementary campus in Lancaster, California, part of Lancaster Elementary, caters to 732 students, covering grades K through 6. Compared to the state average of about 465 students per school, that is 57% bigger than typical.

Lancaster Elementary runs 23 schools in total, collectively educating 13,765 students. Mariposa Elementary is one of those campuses.

On demographics, Mariposa Elementary reports that Hispanic students make up the majority at 64%. Other groups include 26% Black, 6% White, 3% multiracial. That is meaningfully more Hispanic than the county at large, where the share is closer to 48%.

In terms of school funding signals, On paper, Mariposa Elementary has 29 full-time-equivalent teachers, translating to a class-load average of around 25.2:1. The state averages around 22.3:1, so this campus is higher than the state norm typical. Around 94% of the student body qualifies for free or reduced-price meals, which schools and policymakers use as a rough income-mix signal. That share is above Los Angeles County's rate of about 70%.

After controlling for student poverty, Mariposa Elementary performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 23.3%, the actual is 16.5%, a residual of -6.7 points.

In the surrounding community, community-level numbers for Los Angeles County indicate median household income runs about $90,112, 36% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 10%. In all, Los Angeles County runs 2244 public schools (combined enrollment of about 1,265,907 students), of which Mariposa Elementary is one.

The closest other public school is Desert View Elementary, roughly 0.8 miles away. 8 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), Mariposa Elementary ranks 3rd on composite proficiency, above the local average of 14.4%.

The campus sits in an outer-ring setting.

Looking at the recent track record. Looking back 7 years, enrollment at Mariposa Elementary has expanded 34%, going from 546 students in 2018 to 732 in 2025. Hispanic enrollment moved from 57% to 64% across the same window. The student-to-teacher ratio loosened from 22.8:1 in 2018 to 25.2:1 today.

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