For the 2025 school year, there is 1 public charter school serving 540 students in St. Mary's County School District. This district's average charter testing ranking is 9/10, which is in the top 20% of public charter schools in Maryland.
Public Charter School in St. Mary's County School District have an average math proficiency score of 41% (versus the Maryland public charter school average of 14%), and reading proficiency score of 68% (versus the 36% statewide average).
Minority enrollment is 36% of the student body (majority Black), which is less than the Maryland public charter school average of 88% (majority Black).
Overview
This School District
This State (MD)
# Schools
27 Schools
49 Schools
# Students
17,223 Students
24,613 Students
# Teachers
1,065 Teachers
1,625 Teachers
Student : Teacher Ratio
17:1
17:1
Student By Grade
District Rank
St. Mary's County School District, which is ranked within the top 50% of all 25 school districts in Maryland (based off of combined math and reading proficiency testing data) for the 2021-2022 school year.
The school district's graduation rate of 90% has decreased from 94% over five school years.
Overall District Rank
#8 out of 25 school districts
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
33%
25%
Reading/Language Arts Test Scores (% Proficient)
52%
45%
Science Test Scores (% Proficient)
40%
36%
Graduation Rate
90%
86%
Students by Ethnicity:
Diversity Score
0.60
0.46
% American Indian
n/a
n/a
% Asian
3%
2%
% Hispanic
9%
11%
% Black
19%
72%
% White
60%
12%
% Hawaiian
n/a
n/a
% Two or more races
9%
3%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $16,875 in this school district is less than the state median of $19,554. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $16,241 is less than the state median of $18,481. The school district spending/student has stayed relatively flat over four school years.
Total Revenue
$291 MM
$17,412 MM
Spending
$280 MM
$16,456 MM
Revenue / Student
$16,875
$19,554
Spending / Student
$16,241
$18,481
Best St. Mary's County School District Public Charter Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Chesapeake Charter School
Charter School
(Math: 41% | Reading: 68%)
Rank:
Rank:
9/
Top 20%10
20945 Great Mills Road
Lexington Park, MD 20653
(301) 863-9585
Lexington Park, MD 20653
(301) 863-9585
Grades: K-8
| 540 students
Recent Articles

Segregation in K-12 Education: Colonial Era
Explore the origins of educational segregation during the colonial era and the differential treatment of Native American, African American, and white students. This article delves into the historical context, policies, and societal attitudes that shaped early education in colonial America, highlighting the disparities and injustices that persisted within the schooling systems of that time.

2011 Classroom Size Update: Are Classes Still Growing Larger?
Since the recession, public school classrooms have seen major budget cuts - and many increases in class sizes. How is the situation in 2011? Read this article to find out.

Will Single Sex Classrooms Save Public Schools?
Learn about the benefits of single sex classrooms and why public schools are hoping this type of classroom will save the American school system.