Thomas Stone High School is a public high school in the eastern section of Waldorf, Maryland, United States, administered by the Charles County Board of Education. The school colors are blue and gold and its mascot is the cougar.
Serving 1,173 students in grades 9-12, Thomas Stone High School ranks in the bottom 50% of all schools in Maryland for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 10-14% (which is lower than the Maryland state average of 27%). The percentage of students achieving proficiency in reading/language arts is 38% (which is lower than the Maryland state average of 45%).
The student-teacher ratio of 14:1 is equal to the Maryland state level of 14:1.
Minority enrollment is 92% of the student body (majority Black), which is higher than the Maryland state average of 68% (majority Black).
Quick Facts (2025)
- Grades: 9-12
- Enrollment: 1,173 students
- Student-Teacher Ratio: 14:1
- Minority Enrollment: 92%
- Graduation Rate: 87% (Btm 50% in MD)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 10-14% (Btm 50%)
- Reading Proficiency: 38% (Btm 50%)
- Science Proficiency: 15-19% (Btm 50%)
- Source: National Center for Education Statistics (NCES), MD Dept. of Education
School Overview
Thomas Stone High School's student population of 1,173 students has stayed relatively flat over five school years.
The teacher population of 85 teachers has declined by 5% over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
1,173 students
Gender %
Total Classroom Teachers
85 teachers
Year Founded
1969
School Calendar
Last Day of School
Sat. Jun 13, 2026
School Rankings
Thomas Stone High School ranks within the bottom 50% of all 1,338 schools in Maryland (based off of combined math and reading proficiency testing data).
The diversity score of Thomas Stone High School is 0.56, which is less than the diversity score at state average of 0.74. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#868 out of 1338 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
10-14%
27%
Reading/Language Arts Test Scores (% Proficient)
38%
45%
Science Test Scores (% Proficient)
15-19%
36%
Student-Teacher Ratio
14:1
14:1
American Indian
n/a
n/a
Asian
2%
7%
Hispanic
20%
23%
Black
63%
33%
White
8%
32%
Hawaiian
n/a
n/a
Two or more races
7%
5%
All Ethnic Groups
Graduation Rate
87%
86%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
56%
44%
Eligible for Reduced Lunch
6%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MD Dept. of Education
School Notes
- School Mascot: Cougars
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Thomas Stone High School's ranking?
Thomas Stone High School is ranked #868 out of 1,338 schools, which ranks it among the bottom 50% of public schools in Maryland.
What schools are Thomas Stone High School often compared to?
Thomas Stone High Schoolis often viewed alongside schools like North Point High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
10-14% of students have achieved math proficiency (compared to the 27% MD state average), while 38% of students have achieved reading proficiency (compared to the 45% MD state average).
What is the graduation rate of Thomas Stone High School?
The graduation rate of Thomas Stone High School is 87%, which is higher than the Maryland state average of 86%.
How many students attend Thomas Stone High School?
1,173 students attend Thomas Stone High School.
What is the racial composition of the student body?
63% of Thomas Stone High School students are Black, 20% of students are Hispanic, 8% of students are White, 7% of students are Two or more races, and 2% of students are Asian.
What is the student-teacher ratio of Thomas Stone High School?
Thomas Stone High School has a student ration of 14:1, which is equal to the Maryland state average of 14:1.
What grades does Thomas Stone High School offer ?
Thomas Stone High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Thomas Stone High School part of?
Thomas Stone High School is part of Charles County School District.
School Reviews
Review Thomas Stone High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles

Why Single-Sex Public Schools are Growing in Popularity
This article examines the growing trend of single-sex public schools in the United States. It explores the potential benefits, research findings, and controversies surrounding gender-specific education, as well as the factors driving its increasing popularity among parents and educators.

When Teachers Cheat: The Standardized Test Controversies
Teachers across the country are being accused of cheating on standardized tests, using erasers to conveniently change their students’ answers. However, are these teachers driven to cheat because the funding system is flawed?

When Field Trips Turn Deadly: Who is Responsible?
Recent deaths during field trips have parents and school officials questioning the safety of these excursions. Learn about these tragedies and what parameters should be in place to ensure a safe field trip.