Charles J. Colgan Sr. High
Manassas, VA · High School · Grades 9-12
Charles J. Colgan Sr. High is a high school in Manassas, VA with 2,907 students enrolled and a 59% proficiency rate. Part of Prince William County Public Schools. NCES data from the U.S. Department of Education.
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About This School
Charles J. Colgan Sr. High is a high school located in Manassas, Virginia. The school serves 2,907 students in grades 9-12. The student-to-teacher ratio is 18.2:1.
According to EDFacts assessment data, 59% of students meet grade-level proficiency standards in combined math and reading. The school reports a 79% graduation rate.
22% of students qualify for free or reduced-price lunch.
Charles J. Colgan Sr. High is part of the Prince William County Public Schools in Virginia.
How This School Compares
Charles J. Colgan Sr. High has 2,907 students enrolled, making it larger than the average school in Prince William County Public Schools (959 students). Its 59% proficiency rate is 8 percentage points above the district average of 50%. Compared to the Virginia state average of 46%, the school performs 13 points higher.
Other Schools in Prince William County Public Schools
Frequently Asked Questions
Charles J. Colgan Sr. High has 2,907 students enrolled in grades 9-12. The student-to-teacher ratio is 18.2:1.
According to EDFacts data, 59% of students at Charles J. Colgan Sr. High meet grade-level proficiency standards in combined math and reading assessments.
Charles J. Colgan Sr. High has a 79% graduation rate, measuring the percentage of students who graduate within four years.
Charles J. Colgan Sr. High is part of the Prince William County Public Schools in Manassas, Virginia. You can view all schools in this district on the district page.
All data on this page comes from the National Center for Education Statistics (NCES) Common Core of Data and EDFacts assessment results. These are official federal datasets published by the U.S. Department of Education.
School profiles are built from NCES directory data and EDFacts assessment results. Proficiency rates reflect combined math and reading performance. Graduation rates are reported for high schools with available data.
The this entity record above pulls directly from NCES Common Core of Data and EDFacts. What follows is the per-entity context — how this entity sits in the broader U.S. K-12 school outcomes and enrollment distribution and which underlying factors drive the headline numbers.
Every number on this page links back to NCES Common Core of Data and EDFacts; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. public schools and districts. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: NCES Common Core of Data, 2026.