Waynflete Photo - Upper School Campus

Top 10 Best Maine Private Schools Belonging to National Association of Independent Schools (NAIS) (2025)

For the 2025 school year, there are 22 private schools belonging to National Association of Independent Schools (NAIS) serving 7,850 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, Kents Hill School, and Thornton Academy.
The average tuition cost is $40,845, which is higher than the Maine private school average tuition cost of $22,559.
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 (2025)

School
Location
Grades
Students
Gould Academy
Gould Academy Photo
(2)
39 Church Street
Bethel, ME 04217
(207) 824-7777
Grades: 7-12
| 230 students
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
Grades: 9-12
| 209 students
Thornton Academy
Thornton Academy Photo
(3)
438 Main St
Saco, ME 04072
(207) 282-5383
Grades: 6-12
| 1,462 students
Bangor Christian Schools
(Baptist)
1476 Broadway
Bangor, ME 04401
(207) 947-7356
Grades: PK-12
| 335 students
Berwick Academy
Berwick Academy Photo - Berwick Academy Campus
(5)
31 Academy St
South Berwick, ME 03908
(207) 384-6300
Grades: PK-12
| 539 students
Breakwater School
856 Brighton Ave
Portland, ME 04102
(207) 772-8689
Grades: PK-8
| 152 students
3197 Carrabassett Dr
Kingfield, ME 04947
(207) 237-4460
Grades: 7-12
| 97 students
Erskine Academy
Erskine Academy Photo
(2)
309 Windsor Rd
South China, ME 04358
(207) 445-2962
Grades: 9-12
| 561 students
Foxcroft Academy
Foxcroft Academy Photo - Music room
975 W Main Street
Dover Foxcroft, ME 04426
(207) 564-8351
Grades: 9-12
| 397 students
Fryeburg Academy
Fryeburg Academy Photo - New LaCasce Dining Hall
745 Main St
Fryeburg, ME 04037
(207) 935-2013
Grades: 9-12
| 665 students
Hebron Academy
Hebron Academy Photo - Hebron students enjoy a great sense of community before our weekly School Meeting.
(1)
339 Paris Rd
Hebron, ME 04238
(207) 966-5225
Grades: 6-12
| 288 students
100 Broadway
Bangor, ME 04401
(207) 947-0313
Grades: 9-12
| 504 students
Levey Day School
Levey Day School Photo
(Jewish)
(4)
400 Deering Ave
Portland, ME 04103
(207) 774-7676
Grades: PK-8
| 29 students
Lincoln Academy
Lincoln Academy Photo
81 Academy Hill Road
Newcastle, ME 04553
(207) 563-3596
Grades: 9-12
| 564 students
Maine Central Institute
Maine Central Institute Photo
(1)
295 Main St
Pittsfield, ME 04967
(207) 487-3355
Grades: 9-12
| 356 students
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
Grades: NS-12
| 393 students
Washington Academy
Washington Academy Photo - Raider Football Under the Lights!
(2)
66 Cutter Road
East Machias, ME 04630
(207) 255-8301
Grades: 9-12
| 328 students
Waynflete
Waynflete Photo - Upper School Campus
(1)
360 Spring St
Portland, ME 04102
(207) 274-5224
Grades: PK-12
| 581 students
Compass Point Academy
(Pentecostal)
412 State Rd
Bath, ME 04530
(207) 443-1300
Grades: 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. Year-round, students and faculty enjoy miles of wooded running, bicycling, and cross-country skiing trails that extend beyond the campus.
(3)
616 High Street
Bath, ME 04530
(207) 443-5584
Grades: 9-12
| 96 students
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
Grades: 11
| 46 students
Watershed School
1 Free Street
Camden, ME 04843
(207) 230-7341
Grades: 9-12
| 25 students

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