Mountain Valley High School is a public high school in Rumford, Maine, United States, serving the towns of Rumford and nearby Mexico. It was formed in 1989 as a result of the merger of the towns' high schools.
Serving 422 students in grades 9-12, Mountain Valley High School ranks in the bottom 50% of all schools in Maine for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 30-34% (which is lower than the Maine state average of 49%). The percentage of students achieving proficiency in reading/language arts is ≥90% (which is higher than the Maine state average of 84%).
The student-teacher ratio of 13:1 is higher than the Maine state level of 11:1.
Minority enrollment is 11% of the student body (majority Hispanic and Black), which is lower than the Maine state average of 14% (majority Black and Hispanic).
Quick Facts (2025-26)
- Grades: 9-12
- Enrollment: 422 students
- Student-Teacher Ratio: 13:1
- Minority Enrollment: 11%
- Graduation Rate: 70-74% (Btm 50% in ME)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 30-34% (Btm 50%)
- Reading Proficiency: ≥90% (Top 20%)
- Science Proficiency: 30-39% (Top 50%)
- Source: National Center for Education Statistics (NCES), ME Dept. of Education
Top Rankings
Mountain Valley High School ranks among the top 20% of public schools in Maine for:
Category
Attribute
Most improved public schools
Reading/Language Arts Proficiency
Percent Eligible For Free Lunch
School Overview
Mountain Valley High School's student population of 422 students has stayed relatively flat over five school years.
The teacher population of 32 teachers has grown by 10% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
422 students
Gender %
Total Classroom Teachers
32 teachers
Year Founded
1989
Colors
Cobalt blue, Silver
School Calendar
Last Day of School
Fri. Jun 5, 2026
School Rankings
Mountain Valley High School ranks within the bottom 50% of all 500 schools in Maine (based off of combined math and reading proficiency testing data).
The diversity score of Mountain Valley High School is 0.21, which is less than the diversity score at state average of 0.26. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#276 out of 500 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
30-34%
49%
Reading/Language Arts Test Scores (% Proficient)
≥90%
84%
Science Test Scores (% Proficient)
30-39%
37%
Student-Teacher Ratio
13:1
11:1
American Indian
1%
1%
Asian
n/a
1%
Hispanic
4%
3%
Black
3%
5%
White
89%
86%
Hawaiian
n/a
n/a
Two or more races
3%
4%
All Ethnic Groups
Graduation Rate
70-74%
86%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
60%
33%
Eligible for Reduced Lunch
7%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), ME Dept. of Education
School Notes
- School Mascot: Falcon
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Mountain Valley High School's ranking?
Mountain Valley High School is ranked #276 out of 500 schools, which ranks it among the bottom 50% of public schools in Maine.
What schools are Mountain Valley High School often compared to?
Mountain Valley High Schoolis often viewed alongside schools like Buckfield Jr-sr High School, Dirigo High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
30-34% of students have achieved math proficiency (compared to the 49% ME state average), while ≥90% of students have achieved reading proficiency (compared to the 84% ME state average).
What is the graduation rate of Mountain Valley High School?
The graduation rate of Mountain Valley High School is 70-74%, which is lower than the Maine state average of 86%.
How many students attend Mountain Valley High School?
422 students attend Mountain Valley High School.
What is the racial composition of the student body?
89% of Mountain Valley High School students are White, 4% of students are Hispanic, 3% of students are Black, 3% of students are Two or more races, and 1% of students are American Indian.
What is the student-teacher ratio of Mountain Valley High School?
Mountain Valley High School has a student ration of 13:1, which is higher than the Maine state average of 11:1.
What grades does Mountain Valley High School offer ?
Mountain Valley High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Mountain Valley High School part of?
Mountain Valley High School is part of RSU 10 School District.
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