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Regional School Unit 10

At a glance

154^thof 176 Maine districts▼ 4

Better than 12% of Maine districts

Elementary 3 Middle 1 High 2Grades PK, KG-12

799 Hancock Street Suite 1
Rumford, ME 04276·(207) 369-5560·All Maine district rankings →

Statewide performance 2017–2025

2025: better than 12.5% of districts

Schools

1,739

Students

Top rankedHartford-Sumner Elementary School180^th of 289 Maine elementary schools

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Biggest riser

Rumford Elementary up 32 spots statewide this year

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Smallest classes

Buckfield Junior-Senior High School 10.1 students per teacher

SchoolDigger ratings

2★

1★

0★

1 school without a SchoolDigger rating (too few tested students)

Compare Maine districts →See the top-ranked Maine schools →

Summary:

Regional School Unit 10 in Maine is home to 6 schools, including 3 elementary schools, 1 middle school, and 2 high schools. The district's performance on state assessments is generally below the state average, but there is significant variation in the academic achievement of individual schools within the district.

The standout schools in the district are Hartford-Sumner Elementary School, which has the highest performance on state assessments with 65.31% of students proficient or better in English Language Arts and 48.3% in Mathematics, and Buckfield Junior-Senior High School, which has the highest performance among the high schools with 58.51% proficient or better in English Language Arts and 41.49% in Mathematics. Both schools also have the highest SchoolDigger ratings in their respective categories.

Other key findings include district-wide challenges, such as a high chronic absenteeism rate of 23.4% and significant socioeconomic disparities, with schools like Rumford Elementary and Mountain Valley Middle School serving a high percentage of students from low-income families. These factors may contribute to the lower academic performance observed in some schools within the Regional School Unit 10 district.

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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
Rumford Elementary	Public	PK, KG-4	121 Lincoln Avenue	Rumford	04276	Oxford County	Regional School Unit 10	No	No	No	Yes	(207) 364-8155	213	21	10.2	79.8%	180 (84.5%)	5 (2.3%)	17 (8.0%)	0 (0.0%)	3 (1.4%)	1 (0.5%)	7 (3.3%)	21	250^th of 289 public elementary schools	13.5%		3.2	282^nd of 288 public elementary schools	2.1%	32	45.2	45.7		$23,343
Mountain Valley High School	Public	9-12	799 Hancock Street	Rumford	04276	Oxford County	Regional School Unit 10	No	No	No	No	(207) 364-4547	369	32	11.4	73.2%	328 (88.9%)	9 (2.4%)	21 (5.7%)	1 (0.3%)	0 (0.0%)	0 (0.0%)	10 (2.7%)	21.8	97^th of 119 public high schools	18.5%		37.8	69^th of 121 public high schools	43.0%	28	59.3	19.8	27.9	$20,751
Hartford-Sumner Elementary School	Public	PK, KG-6	145 Main Street	Sumner	04292	Oxford County	Regional School Unit 10	No	No	No	Yes	(207) 388-2681	297	26	11.6	61.6%	289 (97.3%)	1 (0.3%)	4 (1.3%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	3 (1.0%)	45.1	180^th of 289 public elementary schools	37.7%		55.4	138^th of 288 public elementary schools	52.1%	42	65.3	48.3	15.6	$20,643
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
Meroby Elementary School	Public	PK, KG-4	21 Cross Street	Mexico	04257	Oxford County	Regional School Unit 10	No	No	No	Yes	(207) 364-3714	256	21	12.1	79.3%	228 (89.1%)	6 (2.3%)	10 (3.9%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	12 (4.7%)	4.8	282^nd of 289 public elementary schools	2.4%		18.5	262^nd of 288 public elementary schools	9.0%	20	36.3	29.7		$21,347
Buckfield Junior-Senior High School	Public	7-12	160 Morrill Street	Buckfield	04220	Oxford County	Regional School Unit 10	No	No	No	No	(207) 336-2151	228	22	10.1	53.1%	222 (97.4%)	1 (0.4%)	2 (0.9%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	3 (1.3%)	33.5	76^th of 119 public high schools	36.1%		20.3	100^th of 121 public high schools	17.4%	24	58.5	41.5	33.8	$11,707
Mountain Valley Community School	Public		60 Highland Terrace	Mexico	04257	Oxford County	Regional School Unit 10	No	(n/a)	(n/a)	(n/a)	(207) 369-5560	0																		(n/a)

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.