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Best Maine Private Schools Belonging to National Association of Independent Schools (NAIS) (2026)

For the 2026 school year, there are 21 private schools belonging to National Association of Independent Schools (NAIS) serving 7,869 students in Maine. You can also find more schools membership associations in Maine.
The top-ranked private schools belonging to National Association of Independent Schools (NAIS) in Maine include Foxcroft Academy, Thornton Academy, and Berwick Academy.
The average tuition cost is $40,560, which is higher than the Maine private school average tuition cost of $22,532.
14% of private schools belonging to National Association of Independent Schools (NAIS) in Maine are religiously affiliated (most commonly Baptist and Jewish).

Top-Ranked Private Schools Belonging to National Association of Independent Schools (NAIS) in Maine (2026)

School
Location
Quick Facts
Gould Academy
Gould Academy Photo
(2)
39 Church Street
Bethel, ME 04217
(207) 824-7777
Gr: 7-12 | 230 students Avg. class size: 10 students Sports: 20 | Extracurrculars: 7 Tuition & acceptance rate listed
Kents Hill School
Kents Hill School Photo - Located in central Maine, Kents Hill School is an independent, coeducational boarding and day school grades 9-Postgraduate Year attracting 200 students from Maine, the United States, and around the world. Since 1824, Kents Hill has been dedicated to providing transformative experiences rooted in the power of community, character, and core values.
(5)
1614 Main Street
Kents Hill, ME 04349
(207) 685-1606
Gr: 9-12 | 209 students Avg. class size: 10 students Sports: 16 | Extracurrculars: 35 Tuition & acceptance rate listed
North Yarmouth Academy
North Yarmouth Academy Photo - North Yarmouth Academy has a 20+ acre campus in Yarmouth, Maine. Ten minutes from Portland and less thank two hours from Boston. Our campus includes a newly renovated ice arena and fitness & wellness center.
(8)
148 Main Street
Yarmouth, ME 04096
(207) 846-9051
Gr: NS-12 | 403 students Avg. class size: 14 students Sports: 14 | Extracurrculars: 39 Tuition & acceptance rate listed
Thornton Academy
Thornton Academy Photo
(3)
438 Main St
Saco, ME 04072
(207) 282-5383
Gr: 6-12 | 1,462 student Avg. class size: 19 students Sports: 22 | Extracurrculars: 51 Tuition & acceptance rate listed
Bangor Christian Schools
(Baptist)
1476 Broadway
Bangor, ME 04401
(207) 947-7356
Gr: PK-12 | 335 students Avg. class size: 20 students Sports: 12 Tuition listed
Berwick Academy
Berwick Academy Photo - Berwick Academy Campus
(5)
31 Academy St
South Berwick, ME 03908
(207) 384-6300
Gr: PK-12 | 539 students Avg. class size: 12 students Sports: 13 | Extracurrculars: 21 Tuition & acceptance rate listed
Breakwater School
856 Brighton Ave
Portland, ME 04102
(207) 772-8689
Gr: PK-8 | 152 students Avg. class size: 12 students Tuition listed
Carrabassett Valley Academy
3197 Carrabassett Dr
Kingfield, ME 04947
(207) 237-4460
Gr: 7-12 | 97 students Avg. class size: 10 students Sports: 7 | Extracurrculars: 2 Tuition & acceptance rate listed
Erskine Academy
Erskine Academy Photo
(2)
309 Windsor Rd
South China, ME 04358
(207) 445-2962
Gr: 9-12 | 561 students Avg. class size: 13 students Sports: 14 | Extracurrculars: 13 Tuition & acceptance rate listed
Foxcroft Academy
Foxcroft Academy Photo - Music room
975 W Main Street
Dover Foxcroft, ME 04426
(207) 564-8351
Gr: 9-12 | 397 students Avg. class size: 14 students Sports: 16 | Extracurrculars: 28 Tuition & acceptance rate listed
Fryeburg Academy
Fryeburg Academy Photo - New LaCasce Dining Hall
745 Main St
Fryeburg, ME 04037
(207) 935-2013
Gr: 9-12 | 665 students Avg. class size: 15 students Sports: 20 | Extracurrculars: 45 Tuition & acceptance rate listed
Hebron Academy
Hebron Academy Photo
(1)
339 Paris Rd
Hebron, ME 04238
(207) 966-5225
Gr: 6-12 | 265 students Avg. class size: 12 students Sports: 20 | Extracurrculars: 20 Tuition & acceptance rate listed
John Bapst Memorial High School
John Bapst Memorial High School Photo - John Bapst offers an Accelerated English Program for International Students, which prepares non-native speakers for the same college entrance examinations - the SAT and AP exams - that American students take. Program participants take English and social science classes alongside American students. They also attend a second class daily in vocabulary, grammar, and pronunciation and receive help in specific class content areas. The John Bapst English Pledge, which applies during the school day and to television and movies on the weekends, is considered important to the student's overall language improvement.
100 Broadway
Bangor, ME 04401
(207) 947-0313
Gr: 9-12 | 504 students Avg. class size: 17 students Sports: 16 | Extracurrculars: 24 Tuition & acceptance rate listed
Levey Day School
Levey Day School Photo
(Jewish)
(4)
400 Deering Ave
Portland, ME 04103
(207) 774-7676
Gr: PK-8 | 29 students Avg. class size: 10 students Sports: 1 | Extracurrculars: 1 Tuition & acceptance rate listed
Lincoln Academy
Lincoln Academy Photo
81 Academy Hill Road
Newcastle, ME 04553
(207) 563-3596
Gr: 9-12 | 564 students Avg. class size: 18 students Sports: 14 | Extracurrculars: 25 Tuition listed
Maine Central Institute
Maine Central Institute Photo
(1)
295 Main St
Pittsfield, ME 04967
(207) 487-3355
Gr: 9-12 | 356 students Avg. class size: 12 students Sports: 18 | Extracurrculars: 57 Tuition listed
Washington Academy
Washington Academy Photo - Raider Football Under the Lights!
(2)
66 Cutter Road
East Machias, ME 04630
(207) 255-8301
Gr: 9-12 | 328 students Avg. class size: 16 students Sports: 13 | Extracurrculars: 17
Waynflete
Waynflete Photo - Upper School Campus
(1)
360 Spring St
Portland, ME 04102
(207) 274-5224
Gr: PK-12 | 581 students Avg. class size: 11 students Sports: 14 | Extracurrculars: 5 Tuition & acceptance rate listed
Compass Point Academy
(Pentecostal)
412 State Rd
Bath, ME 04530
(207) 443-1300
Gr: 1-10 | 9 students
Hyde School
Hyde School Photo - Located in the quaint and historic shipbuilding city of Bath, Maine, on the Kennebec River, the 145-acre Hyde-Bath School campus was founded in 1966.
(3)
616 High Street
Bath, ME 04530
(207) 443-5584
Gr: 9-12 | 137 students Avg. class size: 10 students Sports: 10 | Extracurrculars: 14 Tuition & acceptance rate listed
Maine Coast Semester At Chewonki
Maine Coast Semester At Chewonki Photo - During the semester, students live on our 400 acre peninsula. With over five miles of trails and an organic horse powered farm, students always have new places to explore.
Special Program Emphasis
(2)
485 Chewonki Neck Road
Wiscasset, ME 04578
(207) 882-7323
Gr: 11 | 46 students Avg. class size: 7 students Extracurrculars: 2 Tuition listed

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