Mammoth High

Mammoth High is a high school of tiny scale in Mammoth Lakes, California, one of the schools within Mammoth Unified, instructing 330 students in grades 9 through 12. By comparison, California's public schools average about 838 students each, so Mammoth High sits 61% below that benchmark.

Mammoth Unified comprises 4 schools with combined enrollment of 1,087 students; Mammoth High is among them.

On demographics, Mammoth High shows that 65% of the student body identifies as Hispanic; the rest reads as 31% White, 2% Asian. That is considerably more Hispanic than the county at large, where the share is closer to 27%.

In terms of school funding signals, Mammoth High shows 21 full-time-equivalent teachers, putting the student-to-teacher ratio at about 15.4:1. That figure is tighter than the state norm's 18.2:1 average. Around 38% of the student body qualifies for free or reduced-price meals, which schools and policymakers use as a rough income-mix signal.

With demographic context factored in, On a poverty-adjusted basis, Mammoth High sits in the bottom 10% statewide. Predicted proficiency from the FRL regression is roughly 56.6%; actual is 38.2%, a gap of -18.4 points.

In the area at large, ACS estimates for Mono County put median household earnings sit near $99,415, roughly 32% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 7%. In all, Mono County runs 15 public schools (combined enrollment of about 1,446 students), of which Mammoth High is one.

The closest other public school is Mammoth Middle, roughly 0.1 miles away. 4 of the 8 nearest public schools sit inside a five-mile radius. Among the 5 schools in that immediate cluster with test data (this one included), Mammoth High ranks 4th on composite proficiency, below the local average of 48.5%.

The campus sits in a small-town setting.

Over the past 7-year window. Over the past 7-year window, the student count declined 10%: 367 students in 2018 compared to 330 in 2025. Hispanic enrollment moved from 55% to 65% across the same window. Class-load math has fell: from 19.8:1 in 2018 to 15.4:1 in 2025.

On allk12, posts here usually surface around pickup logistics, teacher feedback, and after-school programs. The community welcomes input from current and former families.