Mountain School

Mountain School, a low-enrollment elementary school in FLAGSTAFF, Arizona, run under Mountain School Inc. (4203), caters to 184 students, covering grades K through 6. Compared to the state average of about 451 students per school, that is 59% leaner than typical.

Operationally, Mountain School answers to Mountain School Inc. (4203), which sets policy, hires staff, and reports enrollment to the state.

Demographically, Mountain School logs that the largest single group is White, at 75% of enrollment; the rest reads as 13% Hispanic, 6% multiracial, 5% Native American. By comparison, Coconino County as a whole is about 56% White, so the school skews noticeably more White than its surroundings.

Looking at school resources, Mountain School records 18 full-time-equivalent teachers, putting the student-to-teacher ratio at about 10.2:1. Statewide, the average ratio sits near 17.0:1, putting Mountain School tighter than the state norm the norm.

In the surrounding community, census data for Coconino County shows median household income runs about $72,966, roughly 40% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 10%. Across Coconino County's 80 public schools (combined enrollment of about 18,262 students), Mountain School is one campus in the mix.

Manuel DeMiguel Elementary School is the nearest neighboring public school, about 0.8 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius.

The school occupies a metropolitan site. Mountain School is a charter school, which puts it inside the public-school system but outside the standard district-managed model.

Trend over the last 7 years. Over the past 7-year window, the student count declined 7%: 197 students in 2018 compared to 184 in 2025. Over the same period, the White share declined from 88% to 75%.

On allk12, the page collects discussion, questions, and updates around enrollment questions, classroom assignments, and PTA news. Parents, students, alumni, and staff are welcome to weigh in.