#1 Largest Private Schools in Maine
Fryeburg Academy
Independent school · Grades 9–12
654 students
Fryeburg, ME
BOverall grade654 students11 students per teacher
2026 lists
Largest Private Schools in Maine
The private schools in Maine with the most students. Top 50 of 78 schools.
#2 Largest Private Schools in Maine
Erskine Academy
Independent school · Grades 9–12
552 students
South China, ME
B-Overall grade552 students13 students per teacher
#3 Largest Private Schools in Maine
Waynflete School
Independent school · Grades Pre-K–12
520 students
Portland, ME
AOverall grade520 students6 students per teacher
#4 Largest Private Schools in Maine
John Bapst Memorial High School
Independent school · Grades 9–12
506 students
Bangor, ME
B-Overall grade506 students14 students per teacher
#5 Largest Private Schools in Maine
St. Dominic Academy-Auburn
Diocesan school · Grades Pre-K–12
446 students
Auburn, ME
B+Overall grade446 students12 students per teacher
#6 Largest Private Schools in Maine
Foxcroft Academy
Independent school · Grades 8–12
445 students
Dover-Foxcroft, ME
B-Overall grade445 students14 students per teacher
#7 Largest Private Schools in Maine
Cheverus High School
Independent Catholic school · Grades 9–12
344 students
Portland, ME
A+Overall grade344 students11 students per teacher
#8 Largest Private Schools in Maine
Bangor Christian Schools
Baptist school · Grades Pre-K–12
324 students
Bangor, ME
B-Overall grade324 students19 students per teacher
#9 Largest Private Schools in Maine
St. Brigid School
Parish school · Grades Pre-K–8
323 students
Portland, ME
A-Overall grade323 students14 students per teacher
#10 Largest Private Schools in Maine
Washington Academy
Independent school · Grades 9–12
319 students
East Machias, ME
B-Overall grade319 students12 students per teacher
#11 Largest Private Schools in Maine
North Yarmouth Academy
Independent school · Grades Pre-K–12
313 students
Yarmouth, ME
BOverall grade313 students7 students per teacher
#12 Largest Private Schools in Maine
George Stevens Academy
Independent school · Grades 9–12
311 students
Blue Hill, ME
BOverall grade311 students12 students per teacher
#13 Largest Private Schools in Maine
Maine Central Institute
Independent school · Grades 9–12
306 students
Pittsfield, ME
BOverall grade306 students9 students per teacher
#14 Largest Private Schools in Maine
Maine Coast Waldorf School
Independent school · Grades Pre-K–12
227 students
Freeport, ME
A-Overall grade227 students6 students per teacher
#15 Largest Private Schools in Maine
Temple Academy
Christian school (nondenominational) · Grades Pre-K–12
224 students
Waterville, ME
B-Overall grade224 students14 students per teacher
#16 Largest Private Schools in Maine
Gould Academy
Independent school · Grades 8–12
214 students
Bethel, ME
A+Overall grade214 students8 students per teacher
#17 Largest Private Schools in Maine
Kents Hill School
Independent school · Grades 9–12
206 students
Kents Hill, ME
A+Overall grade206 students7 students per teacher
#18 Largest Private Schools in Maine
St. Dominic Academy-Lewiston Campus
Diocesan school · Grades Pre-K–5
189 students
Lewiston, ME
AOverall grade189 students10 students per teacher
#19 Largest Private Schools in Maine
St. Dominic Academy
Diocesan school · Grades Pre-K–5
188 students
Lewiston, ME
B+Overall grade188 students10 students per teacher
#20 Largest Private Schools in Maine
Hebron Academy
Independent school · Grades 6–12
185 students
Hebron, ME
A+Overall grade185 students7 students per teacher
#21 Largest Private Schools in Maine
Penobscot Christian School
Christian school (nondenominational) · Grades Pre-K–12
182 students
Bangor, ME
BOverall grade182 students9 students per teacher
#22 Largest Private Schools in Maine
St. Michael School
Diocesan school · Grades Pre-K–8
153 students
Augusta, ME
B+Overall grade153 students14 students per teacher
#23 Largest Private Schools in Maine
Maine Coast Semester at Chewonki
Independent school · Grades K–12
145 students
Wiscasset, ME
AOverall grade145 students7 students per teacher
#24 Largest Private Schools in Maine
Greater Portland Christian School
Christian school (nondenominational) · Grades Pre-K–12
136 students
South Portland, ME
AOverall grade136 students8 students per teacher
From official public records, updated October 2026.