Serving 376 students in grades 5-8, Mountain Valley Middle 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 26% (which is lower than the Maine state average of 49%). The percentage of students achieving proficiency in reading/language arts is 76% (which is lower than the Maine state average of 84%).
The student-teacher ratio of 12:1 is higher than the Maine state level of 11:1.
Minority enrollment is 11% of the student body (majority Hispanic), which is lower than the Maine state average of 15% (majority Black and Hispanic).
Quick Facts (2026)
- Grades: 5-8
- Enrollment: 376 students
- Student-Teacher Ratio: 12:1
- Minority Enrollment: 11%
- Overall Testing Rank: Bottom 50% in ME
- Math Proficiency: 26% (Btm 50%)
- Reading Proficiency: 76% (Btm 50%)
- Science Proficiency: 20-24% (Btm 50%)
- Attendance Zone: Mountain Valley Middle School serves the northwest part of Mexico, ME, covering an attendance zone of approximately 199.8 square miles. The typical drive to the school from within the zone takes about 20 to 30 minutes, with the farthest edge located 17 miles away.
- Source: National Center for Education Statistics (NCES), ME Dept. of Education
School Overview
Mountain Valley Middle School's student population of 376 students has stayed relatively flat over five school years.
The teacher population of 32 teachers has declined by 11% over five school years.
Grades Offered
Grades 5-8
(No virtual instruction)
(No virtual instruction)
Total Students
376 students
Total Classroom Teachers
32 teachers
School Calendar
School Rankings
Mountain Valley Middle 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 Middle School is 0.21, which is less than the diversity score at state average of 0.28. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#474 out of 500 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
26%
49%
Reading/Language Arts Test Scores (% Proficient)
76%
84%
Science Test Scores (% Proficient)
20-24%
37%
Student-Teacher Ratio
12:1
11:1
American Indian
n/a
1%
Asian
1%
1%
Hispanic
5%
4%
Black
2%
5%
White
89%
85%
Hawaiian
n/a
n/a
Two or more races
3%
4%
All Ethnic Groups
Chronically Absent Students
(22-23)38.8%
28.5%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
72%
39%
Eligible for Reduced Lunch
5%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), ME Dept. of Education
Frequently Asked Questions
What is Mountain Valley Middle School's ranking?
Mountain Valley Middle School is ranked #474 out of 500 schools, which ranks it among the bottom 50% of public schools in Maine.
What percent of students have achieved state testing proficiency in math and reading?
26% of students have achieved math proficiency (compared to the 49% ME state average), while 76% of students have achieved reading proficiency (compared to the 84% ME state average).
How many students attend Mountain Valley Middle School?
376 students attend Mountain Valley Middle School.
What is the racial composition of the student body?
89% of Mountain Valley Middle School students are White, 5% of students are Hispanic, 3% of students are Two or more races, 2% of students are Black, and 1% of students are Asian.
What is the student-teacher ratio of Mountain Valley Middle School?
Mountain Valley Middle School has a student ration of 12:1, which is higher than the Maine state average of 11:1.
What grades does Mountain Valley Middle School offer ?
Mountain Valley Middle School offers enrollment in grades 5-8 (No virtual instruction).
What school district is Mountain Valley Middle School part of?
Mountain Valley Middle School is part of RSU 10 School District.
School Reviews
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