Enrollment
376
Middle
DISTRICT 290 · STATE 364
SCHOOL COMMUNITY·RSU 10·NCES 231479500502
Mountain Valley Middle School
58 Highland Terrace, Mexico, ME 04257 · (207) 364-7926 · Oxford County
GRADES 05–08MIDDLE32-TOWNTITLE IREGULAR SCHOOL376 STUDENTS
F
allk12 Grade
Scored higher than 3% of Maine public middle schools
- FTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- ·Beats expectations Not available for this school, so the grade uses the other parts.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Maine public middle schools
Student : Teacher
11.9:1
32 FTE teachers
DISTRICT 11.3:1 · STATE 11.2:1
Free / Reduced Lunch
77%
291 students
DISTRICT 71% · STATE 48%
Community
0
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 5 | 87 | 23% |
| Grade 6 | 107 | 28% |
| Grade 7 | 92 | 24% |
| Grade 8 | 90 | 24% |
Student demographics
20%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 17% · STATE 28% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Students here typically continue to
Mountain Valley Middle School→Mountain Valley High School
Based on grade levels within RSU 10. Attendance zones can vary; confirm enrollment with the district.
QUIET COMMUNITY
Be the first to start a discussion at Mountain Valley Middle School.
START A DISCUSSIONTest scores
MEA 2024-25 . % At or Above State ExpectationsEnglish Language Arts
50.6%
ME avg 64.1%
Math
18.5%
ME avg 50.6%
What this means: On the MEA, Maine's statewide test, about 51 of every 100 students at this school read and write at grade level and about 19 of 100 do math at grade level. Across all Maine schools, those numbers are about 64 and 51.
Source: MEA. All students, all grades. See all years and grades →
Schools most like Mountain Valley Middle School
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Mountain Valley Middle School this school | 376 | 77.4% | N/A |
| Waterville Junior High School Waterville | 325 | 68.3% | N/A |
| Mt View Middle School Thorndike | 232 | 65.5% | N/A |
| Skowhegan Area Middle School Skowhegan | 473 | 66.8% | N/A |
| Houlton Junior High School Houlton | 186 | 76.9% | N/A |
| Day Mountain Regional Middle School Strong | 141 | 69.5% | N/A |
Matched among Maine middle schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Mountain Valley Middle School ranks
Among middle schools| Measure | This school | In Maine |
|---|---|---|
| Math proficiency ranked highest first | 18.5% | #73 of 74 |
| Reading proficiency ranked highest first | 50.6% | #77 of 80 |
| Enrollment ranked largest first | 376 | #36 of 85 |
| Students per teacher ranked fewest first | 11.9:1 | #47 of 67 |
| Diversity index ranked most diverse first | 19.8% | #30 of 67 |
| Free and reduced lunch ranked highest share first | 77.4% | #2 of 82 |
| Enrollment change since 2017-18 ranked fastest growth first | +36.2% | #1 of 14 |
Ranked against other public middle schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
376
-12 (-3%) vs 2020
+24% since 2010-11, when it was 304
Student : Teacher
11.9:1
was 11.1:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 376 | 31.5 | 11.9:1 | 77% (291) |
| 2023-24 | 367 | 31.5 | 11.7:1 | 73% (267) |
| 2022-23 | 354 | 31.5 | 11.2:1 | 76% (270) |
| 2020-21 | 388 | 35 | 11.1:1 | 71% (276) |
| 2017-18 | 276 | 25.8 | 10.7:1 | 74% (204) |
| 2015-16 | 279 | 27 | 10.3:1 | 75% (209) |
| 2010-11 | 304 | 31 | 9.8:1 | 62% (188) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Mountain Valley Middle School.
Since 2017-18: students up 36% (276 to 376); teachers up 22% (25.8 to 31.5).
About Mountain Valley Middle School
In Mexico, Maine, Mountain Valley Middle School is a medium-sized middle school. The school counts 376 students across grades 5 through 8.
Mountain Valley Middle School reports to RSU 10, which has 6 schools and 1,739 students.
Mountain Valley Middle School's enrollment is 89% White. The next largest groups are 5% Hispanic, 3% multiracial, and 2% Black. County-wide, about 93% of residents are White. Pick two students at random and there is a 20% chance they belong to different racial or ethnic groups; that figure is the school's diversity index.
Federal records show a student-to-teacher ratio of 11.9:1 at Mountain Valley Middle School, with 31.5 full-time-equivalent teachers. On average, middle schools in Maine have 11.2:1, compared with 11.9:1 here. The count of students eligible for free or reduced-price lunch equals 77% of enrollment. By comparison, the figure for public schools in Oxford County is 61%.
Measured against Maine public middle schools, Mountain Valley Middle School receives an F. The grade weighs proficiency most heavily, then how results compare with what the school's low-income share predicts, then the three-year change.
Oxford County has these Census figures: the median household income is $60,173, the share of adults with a bachelor's degree or higher is 24%, and about 9% of people live in poverty. In all, Oxford County has 33 public schools and roughly 7,913 students.
Meroby Elementary School is the nearest neighboring public school, about 0.2 miles away. The five-mile area around Mountain Valley Middle School holds 6 other public schools.
Mountain Valley Middle School is in a town some distance from an urbanized area, a location NCES labels Town: Distant.
Enrollment has fallen by 12 students since 2020-21, to 376.
Questions about school safety, transportation, and start times can be posted here. Reviews and ratings from people who know the school are welcome.
Oxford County at a glance
View full county profilePopulation
59,255
Census ACS
Median income
$60,173
Household, ACS
Bachelor's+
24%
Adults 25+
Poverty rate
9%
Below federal line
Schools in county
33
7,913 students
Quick facts
Related schools
Other schools in RSU 10
- Mountain Valley High SchoolHigh · 369 students
- Hartford-Sumner Elementary SchoolElementary · 297 students
- Meroby Elementary SchoolElementary · 256 students
- Buckfield Jr-Sr High SchoolHigh · 228 students
- Rumford ElementaryElementary · 213 students
- Mountain Valley Community SchoolElementary
Other schools in Mexico
- Meroby Elementary SchoolElementary · 256 students
- Mountain Valley Community SchoolElementary
- Region 9 Sch of Applied TechnologyElementary
Nearby schools
- Meroby Elementary School0.2 mi · 256
- Rumford Elementary1.3 mi · 213
- Mountain Valley High School1.7 mi · 369
- T W Kelly Dirigo Middle School3.6 mi · 180
- Dirigo High School3.8 mi · 216
- Dirigo Elementary School4.2 mi · 324
Frequently asked questions
About Mountain Valley Middle SchoolHow many students attend Mountain Valley Middle School?
Mountain Valley Middle School enrolls approximately 376 students in grades 05-08.
Is Mountain Valley Middle School an elementary, middle, or high school?
Mountain Valley Middle School is a middle school covering grades 05-08.
How many teachers does Mountain Valley Middle School have?
Mountain Valley Middle School employs 32 FTE teachers, for a student-to-teacher ratio of 11.9:1.
How diverse is Mountain Valley Middle School?
Mountain Valley Middle School reports a student body of 89% White, 5% Hispanic, 2% Black, 1% Asian, 3% Two or more.
What district is Mountain Valley Middle School in?
Mountain Valley Middle School is part of RSU 10.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.