Quince Orchard High School, also known as Q.O. High School, is a secondary school located on Quince Orchard Road in the Quince Orchard neighborhood of Gaithersburg in Montgomery County, Maryland, United States.
Serving 2,100 students in grades 9-12, Quince Orchard High School ranks in the top 30% of all schools in Maryland for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 48% (which is higher than the Maryland state average of 27%). The percentage of students achieving proficiency in reading/language arts is 56% (which is higher than the Maryland state average of 45%).
The student-teacher ratio of 16:1 is higher than the Maryland state level of 14:1.
Minority enrollment is 69% of the student body (majority Hispanic), which is equal to the Maryland state average of 69% (majority Black and Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 2,100 students
- Student-Teacher Ratio: 16:1
- Minority Enrollment: 69%
- Graduation Rate: 90% (Top 50% in MD)
- Overall Testing Rank: Top 30%
- Math Proficiency: 48% (Top 20%)
- Reading Proficiency: 56% (Top 30%)
- Science Proficiency: 48% (Top 30%)
- Source: National Center for Education Statistics (NCES), MD Dept. of Education
Top Rankings
Quince Orchard High School ranks among the top 20% of public schools in Maryland for:
Category
Attribute
Most improved public schools
Math Proficiency
Diversity
School Overview
Quince Orchard High School's student population of 2,100 students has stayed relatively flat over five school years.
The teacher population of 131 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
2,100 students
Total Classroom Teachers
131 teachers
Year Founded
1988
Colors
White, Black, Red
School Calendar
School Rankings
Quince Orchard High School ranks within the top 30% of all 1,338 schools in Maryland (based off of combined math and reading proficiency testing data).
The diversity score of Quince Orchard High School is 0.74, which is equal to the diversity score at state average of 0.74. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#311 out of 1338 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
48%
27%
Reading/Language Arts Test Scores (% Proficient)
56%
45%
Science Test Scores (% Proficient)
48%
36%
Student-Teacher Ratio
16:1
14:1
American Indian
n/a
n/a
Asian
11%
7%
Hispanic
37%
24%
Black
15%
32%
White
31%
31%
Hawaiian
n/a
n/a
Two or more races
6%
6%
All Ethnic Groups
Graduation Rate
90%
86%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
31%
46%
Eligible for Reduced Lunch
7%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MD Dept. of Education
School Notes
- School Mascot: Cougars
Frequently Asked Questions
What is Quince Orchard High School's ranking?
Quince Orchard High School is ranked #311 out of 1,338 schools, which ranks it among the top 30% of public schools in Maryland.
What schools are Quince Orchard High School often compared to?
Quince Orchard High Schoolis often viewed alongside schools like Northwest High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
48% of students have achieved math proficiency (compared to the 27% MD state average), while 56% of students have achieved reading proficiency (compared to the 45% MD state average).
What is the graduation rate of Quince Orchard High School?
The graduation rate of Quince Orchard High School is 90%, which is higher than the Maryland state average of 86%.
How many students attend Quince Orchard High School?
2,100 students attend Quince Orchard High School.
What is the racial composition of the student body?
37% of Quince Orchard High School students are Hispanic, 31% of students are White, 15% of students are Black, 11% of students are Asian, and 6% of students are Two or more races.
What is the student-teacher ratio of Quince Orchard High School?
Quince Orchard High School has a student ration of 16:1, which is higher than the Maryland state average of 14:1.
What grades does Quince Orchard High School offer ?
Quince Orchard High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Quince Orchard High School part of?
Quince Orchard High School is part of Montgomery County School District.
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