Charles J. Colgan Sr. High School is the 12th high school located in Manassas, Virginia, United States. It opened in August 2016 and is named for American politician and businessman Charles J. Colgan. Colgan High School serves a portion of the middle of Prince William County.
Serving 2,945 students in grades 9-12, Charles J. Colgan Sr. High School ranks in the top 50% of all schools in Virginia for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 50-54% (which is lower than the Virginia state average of 68%). The percentage of students achieving proficiency in reading/language arts is 94% (which is higher than the Virginia state average of 69%).
The student-teacher ratio of 17:1 is higher than the Virginia state level of 14:1.
Minority enrollment is 58% of the student body (majority Hispanic and Black), which is higher than the Virginia state average of 56% (majority Black and Hispanic).
Quick Facts (2025)
- School Type: Magnet School
- Grades: 9-12
- Enrollment: 2,945 students
- Student-Teacher Ratio: 17:1
- Minority Enrollment: 58%
- Graduation Rate: 96% (Top 10% in VA)
- Overall Testing Rank: Top 50%
- Math Proficiency: 50-54% (Btm 50%)
- Reading Proficiency: 94% (Top 1%)
- Science Proficiency: 75% (Top 20%)
- Source: National Center for Education Statistics (NCES), VA Dept. of Education
Top Rankings
Charles J. Colgan Sr. High School ranks among the top 20% of public schools in Virginia for:
Category
Attribute
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
Diversity
School Overview
Charles J. Colgan Sr. High School's student population of 2,945 students has grown by 14% over five school years.
The teacher population of 175 teachers has grown by 20% over five school years.
School Type
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
2,945 students
Gender %
Total Classroom Teachers
175 teachers
Year Founded
2016
Colors
Blue, Grey, Navy Blue
School Rankings
Charles J. Colgan Sr. High School ranks within the top 50% of all 1,773 schools in Virginia (based off of combined math and reading proficiency testing data).
The diversity score of Charles J. Colgan Sr. High School is 0.73, which is more than the diversity score at state average of 0.72. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#710 out of 1773 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
50-54%
68%
Reading/Language Arts Test Scores (% Proficient)
(20-21)94%
69%
Science Test Scores (% Proficient)
(20-21)75%
59%
Student-Teacher Ratio
17:1
14:1
American Indian
n/a
n/a
Asian
9%
8%
Hispanic
22%
19%
Black
19%
22%
White
42%
44%
Hawaiian
n/a
n/a
Two or more races
8%
7%
All Ethnic Groups
Graduation Rate
96%
89%
Eligible for Free Lunch
22%
55%
Eligible for Reduced Lunch
4%
2%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), VA Dept. of Education
School Notes
- School Mascot: Shark
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Charles J. Colgan Sr. High School's ranking?
Charles J. Colgan Sr. High School is ranked #710 out of 1,773 schools, which ranks it among the top 50% of public schools in Virginia.
What percent of students have achieved state testing proficiency in math and reading?
50-54% of students have achieved math proficiency (compared to the 68% VA state average), while 94% of students have achieved reading proficiency (compared to the 69% VA state average).
What is the graduation rate of Charles J. Colgan Sr. High School?
The graduation rate of Charles J. Colgan Sr. High School is 96%, which is higher than the Virginia state average of 89%.
How many students attend Charles J. Colgan Sr. High School?
2,945 students attend Charles J. Colgan Sr. High School.
What is the racial composition of the student body?
42% of Charles J. Colgan Sr. High School students are White, 22% of students are Hispanic, 19% of students are Black, 9% of students are Asian, and 8% of students are Two or more races.
What is the student-teacher ratio of Charles J. Colgan Sr. High School?
Charles J. Colgan Sr. High School has a student ration of 17:1, which is higher than the Virginia state average of 14:1.
What grades does Charles J. Colgan Sr. High School offer ?
Charles J. Colgan Sr. High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Charles J. Colgan Sr. High School part of?
Charles J. Colgan Sr. High School is part of Prince William County School District.
School Reviews
Review Charles J. Colgan Sr. 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.
