Mountain Middle School

Mountain Middle School is a middle school of tight-knit scale in DURANGO, Colorado, part of State Charter School Institute, hosting 302 students in grades 4 through 8. By comparison, Colorado's public schools average about 462 students each, so Mountain Middle School sits 35% smaller than that benchmark.

Within State Charter School Institute, which oversees 49 schools and 21,411 students, Mountain Middle School is one campus in the system.

In terms of who attends, Mountain Middle School reports that the student body is overwhelmingly White (87%); the rest breaks down as 9% Hispanic, 3% multiracial.

In terms of school funding signals, Staff filings list 16 full-time-equivalent teachers, which works out to roughly 18.8:1 students per teacher. The state averages around 15.9:1, so this campus is higher than the state norm typical.

In the surrounding community, community-level numbers for La Plata County indicate the typical household earns roughly $86,056 per year, 49% of adults hold a bachelor's degree or higher, and the poverty rate sits near 8%. Mountain Middle School is one of 24 public schools in La Plata County (combined enrollment of about 7,504 students).

The closest other public school is Miller Middle School, roughly 0.4 miles away. Within five miles, there are 8 other public schools.

Geographically, the school is in a town-based area. Mountain Middle School operates as a public charter school, meaning it is publicly funded but governed independently of the surrounding district's traditional schools.

Five-year trend. Looking back 7 years, enrollment at Mountain Middle School has rose 19%, going from 254 students in 2018 to 302 in 2025. Class-load math has tightened: from 20.7:1 in 2018 to 18.8:1 in 2025.

On the community side, the page collects discussion, questions, and updates around enrollment questions, classroom assignments, and PTA news. Members of the school community can share what they know.