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Middle Schools in Regional School Unit 10

At a glance

DistrictRegional School Unit 10154^th of 176 Maine districtsFull district overview →

School

376

Students

Top rankedMountain Valley Middle School90^th of 91 Maine middle schools

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Summary:

Regional School Unit 10 in Maine has only one middle school, Mountain Valley Middle School, which serves grades 6-8. The school has consistently performed significantly below the state average in academic proficiency, ranking in the bottom 10% of middle schools in Maine over the past three school years.

Mountain Valley Middle School has a 1-star rating from SchoolDigger, indicating it is performing well below the state average. The school's proficiency rates in English Language Arts (50.59%), Mathematics (18.53%), and Science (22.15%) were all substantially lower than the state averages in the 2024-2025 school year. Additionally, the school has a high chronic absenteeism rate of 23.4%, which can negatively impact student learning and achievement.

The data suggests that Regional School Unit 10 faces significant challenges in providing a high-quality education at Mountain Valley Middle School. The school serves a student population with a high percentage (72.75%) of students receiving free or reduced-price lunch, indicating a relatively high level of economic disadvantage. While the school has a lower student-teacher ratio of 11.6, this has not translated into improved academic outcomes for the students.

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Ranking:

E Elementary M Middle H High A Alternative P Private

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				MEA English Language Arts (2025)	MEA Mathematics (2025)	MEA Science (2025)	Per Pupil Expenditures (2025)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	Rank Change from Previous Year	MEA English Language Arts All Grades	MEA Mathematics All Grades	MEA Science All Grades	Total
Mountain Valley Middle School	Public	5-8	58 Highland Terrace	Mexico	04257	Oxford County	Regional School Unit 10	No	No	No	Yes	(207) 364-7926	376	32	11.9	77.4%	336 (89.4%)	8 (2.1%)	17 (4.5%)	2 (0.5%)	1 (0.3%)	0 (0.0%)	12 (3.2%)	9.3	90^th of 91 public middle schools	1.1%		14	87^th of 92 public middle schools	5.4%	3	50.6	18.5	22.2	$18,047

Districts nearby

District	Distance	# of Schools	Statewide Rank
Rumford-Region 9	2.55 mi	1
Regional School Unit 56	4.9 mi	3	167^th
Andover Public Schools	11.28 mi	1	71^st
Regional School Unit 44/Maine School Admin District 44	11.28 mi	5	94^th
Regional School Unit 17/Maine School Admin District 17	15.61 mi	10	163^rd

See the top ME Maine districts

SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Maine Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.