For the 2026-27 school year, there are 6 charter public high schools serving 2,075 students in Maine.
Learn more about how charter schools work. The top-ranked charter public high schools in Maine are Baxter Academy For Tech & Sciences, Maine Arts Academy School and Maine Connections Academy. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Maine charter public high schools have an average math proficiency score of 29% (versus the Maine public high school average of 42%), and reading proficiency score of 88% (versus the 83% statewide average).
Maine charter public high school have a Graduation Rate of 89%, which is more than the Maine average of 86%.
The school with highest graduation rate is Baxter Academy For Tech & Sciences, with ≥95% graduation rate. Read more about public school graduation rate statistics in Maine or national school graduation rate statistics.
Minority enrollment is 11% of the student body (majority Hispanic and Black), which is less than the Maine public high school average of 15% (majority Black and Hispanic).
Best Charter Public High Schools in Maine (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Baxter Academy For Tech & Sciences
Charter School
(Math: ≥90% | Reading: ≥90% )
Rank:
Rank:
9/
Top 20%10
185 Lancaster Street
Portland, ME 04101
(207) 699-5500
Portland, ME 04101
(207) 699-5500
Gr: 9-12 | 384 students Student-teacher ratio: 14:1 Minority enrollment: 13%
Rank: #22.
Maine Arts Academy School
Charter School
(Math: 30-34% | Reading: ≥90%)
Rank:
Rank:
5/
Bottom 50%10
310 Cony Road
Augusta, ME 04330
(207) 480-7917
Augusta, ME 04330
(207) 480-7917
Gr: 9-12 | 245 students Student-teacher ratio: 14:1 Minority enrollment: 10%
Rank: #33.
Maine Connections Academy
Charter School
(Math: 30-34% | Reading: 90%)
Rank:
Rank:
5/
Bottom 50%10
600 Southborough Dr., Suite 20
South Portland, ME 04106
(207) 805-3254
South Portland, ME 04106
(207) 805-3254
Gr: 7-12 | 504 students Student-teacher ratio: 19:1 Minority enrollment: 11%
Rank: #44.
Maine Academy Of Natural Sciences
Charter School
(Math: 30-39% | Reading: 80-89%)
Rank:
Rank:
3/
Bottom 50%10
13 Easler Road
Hinckley, ME 04944
(207) 238-4100
Hinckley, ME 04944
(207) 238-4100
Gr: 9-12 | 177 students Student-teacher ratio: 11:1 Minority enrollment: 6%
Rank: #55.
Ecology Learning Center
Charter School
(Math: 21-39% | Reading: ≥80%)
Rank:
Rank:
2/
Bottom 50%10
230 Main Street
Unity, ME 04988
(207) 230-9275
Unity, ME 04988
(207) 230-9275
Gr: 9-12 | 120 students Student-teacher ratio: 12:1 Minority enrollment: 9%
Rank: #66.
Overman Academy
Charter School
(Math: 11-19% | Reading: 30-39% )
Rank:
Rank:
1/
Bottom 50%10
78 Water Street, Suite 2
Skowhegan, ME 04976
(207) 858-1600
Skowhegan, ME 04976
(207) 858-1600
Gr: 6-12 | 170 students Student-teacher ratio: 17:1 Minority enrollment: 8%
Frequently Asked Questions
What are the top-ranked charter public high schools in Maine?
The top-ranked charter public high schools in Maine include Baxter Academy For Tech & Sciences, Maine Arts Academy School and Maine Connections Academy.
How many charter public high schools are located in Maine?
7 charter public high schools are located in Maine.
What is the racial composition of students in Maine?
Maine charter public high schools minority enrollment is 11% of the student body (majority Hispanic and Black), which is less than the Maine public high schools average of 15% (majority Black and Hispanic).
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