Mountain Valley High School

Mountain Valley High School is a tight-knit four-year high school in Rumford, Maine, run under RSU 10. The school instructs 369 students in grades 9 through 12.

RSU 10 runs 6 schools in total, collectively educating 1,739 students. Mountain Valley High School is one of those campuses.

Demographically, Mountain Valley High School shows that the student body is overwhelmingly White (89%). Beyond that, the school records 6% Hispanic, 3% multiracial, 2% Black.

Looking at school resources, Staff filings list 32 full-time-equivalent teachers, which works out to roughly 11.4:1 students per teacher. The state averages about 11.9:1, putting this campus right in line with peers. An estimated 73% of students are eligible for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. By comparison, Oxford County runs at roughly 61%, so the school's eligibility rate is higher than the surrounding baseline.

Around the school, community-level numbers for Oxford County indicate the typical household earns roughly $60,173 per year, 24% of adults hold a bachelor's degree or higher, and the poverty rate sits near 9%. Mountain Valley High School is one of 33 public schools in Oxford County (combined enrollment of about 7,913 students).

The closest other public school is Rumford Elementary, roughly 0.9 miles away. Within five miles, there are 3 other public schools.

Geographically, the school is in a low-density area.

Trend over the last 7 years. Looking back 7 years, enrollment at Mountain Valley High School has edged down 4%, going from 385 students in 2018 to 369 in 2025. Over the same period, the White share shrank from 96% to 89%.

On the community side, recent activity here tends to focus on science fair prep, picture-day reminders, and bus-route questions. Contributors range from current parents to recent graduates and teachers.