Mountain High

As an one-room-style four-year high school in Lake Arrowhead, California, Mountain High enrolls 44 students from grades 9 through 12, one of the schools within Rim of the World Unified. That puts it 95% below the typical public school in California, which averages around 838 students.

Mountain High is one of 7 schools operated by Rim of the World Unified, a district that educates 2,874 students overall.

For racial and ethnic makeup, Mountain High shows that the largest single group is Hispanic at 55%, but no single group is in the majority. Beyond that, the school records 45% White. Compared to San Bernardino County overall, the school's racial mix sits in roughly the same range.

Looking at the economic backdrop, The school employs 3 full-time-equivalent teachers, for a student-teacher ratio near 14.9:1. That figure is tighter than the state norm's 18.2:1 average. Roughly 68% of students at Mountain High qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator.

Around the school, census data for San Bernardino County shows median household income runs about $85,478, 23% of adults hold a bachelor's degree or higher, and the poverty rate sits near 11%. In all, San Bernardino County runs 583 public schools (combined enrollment of about 393,648 students), of which Mountain High is one.

Nearest neighbor: Rim Virtual Academy, around 0.0 miles off. Within five miles, there are 4 other public schools.

Geographically, the school is in a town-center area.

Five-year trend. Looking back 7 years, enrollment at Mountain High has decreased 6%, going from 47 students in 2018 to 44 in 2025. Over the same period, the Hispanic share grew from 30% to 55%.

On the community side, posts here usually surface around open house dates, ride-share offers, and field-trip permission slips. Anyone with firsthand experience at this school can post or comment.