Gaithersburg High School is a public high school located in Gaithersburg, Maryland. Part of Montgomery County Public Schools, the school is located at 101 Education Boulevard and consists of grades 9–12. Its feeder schools are Forest Oak Middle School and Gaithersburg Middle School.
Serving 2,454 students in grades 9-12, Gaithersburg High School ranks in the top 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 22% (which is lower than the Maryland state average of 27%). The percentage of students achieving proficiency in reading/language arts is 48% (which is higher 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 91% of the student body (majority Hispanic), which is higher than the Maryland state average of 68% (majority Black and Hispanic).
Quick Facts (2025-26)
- School Type: Magnet School
- Grades: 9-12
- Enrollment: 2,454 students
- Student-Teacher Ratio: 14:1
- Minority Enrollment: 91%
- Graduation Rate: 78% (Btm 50% in MD)
- Overall Testing Rank: Top 50%
- Math Proficiency: 22% (Btm 50%)
- Reading Proficiency: 48% (Top 50%)
- Science Proficiency: 39% (Top 50%)
- Source: National Center for Education Statistics (NCES), MD Dept. of Education
School Overview
Gaithersburg High School's student population of 2,454 students has stayed relatively flat over five school years.
The teacher population of 177 teachers has grown by 8% over five school years.
School Type
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
2,454 students
Gender %
Total Classroom Teachers
177 teachers
Year Founded
1904
Colors
Blue, Gold
School Calendar
School Motto
Every student will attain the academic, creative problem solving, and social-emotional skills to excel in college and career.
School Rankings
Gaithersburg High School ranks within the top 50% of all 1,338 schools in Maryland (based off of combined math and reading proficiency testing data).
The diversity score of Gaithersburg High School is 0.57, 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
#624 out of 1338 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
22%
27%
Reading/Language Arts Test Scores (% Proficient)
48%
45%
Science Test Scores (% Proficient)
39%
36%
Student-Teacher Ratio
14:1
14:1
American Indian
n/a
n/a
Asian
6%
7%
Hispanic
62%
23%
Black
20%
33%
White
9%
32%
Hawaiian
n/a
n/a
Two or more races
3%
5%
All Ethnic Groups
Graduation Rate
78%
86%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
45%
44%
Eligible for Reduced Lunch
9%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MD Dept. of Education
School Notes
- School Mascot: Trojans
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Gaithersburg High School's ranking?
Gaithersburg High School is ranked #624 out of 1,338 schools, which ranks it among the top 50% of public schools in Maryland.
What schools are Gaithersburg High School often compared to?
Gaithersburg High Schoolis often viewed alongside schools like Damascus High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
22% of students have achieved math proficiency (compared to the 27% MD state average), while 48% of students have achieved reading proficiency (compared to the 45% MD state average).
What is the graduation rate of Gaithersburg High School?
The graduation rate of Gaithersburg High School is 78%, which is lower than the Maryland state average of 86%.
How many students attend Gaithersburg High School?
2,454 students attend Gaithersburg High School.
What is the racial composition of the student body?
62% of Gaithersburg High School students are Hispanic, 20% of students are Black, 9% of students are White, 6% of students are Asian, and 3% of students are Two or more races.
What is the student-teacher ratio of Gaithersburg High School?
Gaithersburg High School has a student ration of 14:1, which is equal to the Maryland state average of 14:1.
What grades does Gaithersburg High School offer ?
Gaithersburg High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Gaithersburg High School part of?
Gaithersburg High School is part of Montgomery County Public Schools.
School Reviews
Review Gaithersburg 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
Texas Schools Enrollment Trends & Policy in 2025
Latest data and policy changes on Texas public school enrollment growth, funding, and virtual education in 2025.
Financial Aid & Hidden Costs in Public Schools
Learn about financial aid and hidden costs in public schools. Discover what parents should budget for beyond tuition-free education.
NYC Schools Still Most Segregated in 2025
Despite reforms, New York City schools remain the most segregated in the U.S. in 2025. Here’s what parents and educators need to know.
