Millbrook School is a high school located in Winchester, Virginia. The school is one of three high schools in the Frederick County Public School System.
Serving 1,550 students in grades 9-12, Millbrook High School ranks in the bottom 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 40-49% (which is lower than the Virginia state average of 68%). The percentage of students achieving proficiency in reading/language arts is 82% (which is higher than the Virginia state average of 69%).
The student-teacher ratio of 16:1 is higher than the Virginia state level of 14:1.
Minority enrollment is 56% of the student body (majority Hispanic), which is equal to the Virginia state average of 56% (majority Black and Hispanic).
Quick Facts (2026-27)
- Grades: 9-12
- Enrollment: 1,550 students
- Student-Teacher Ratio: 16:1
- Minority Enrollment: 56%
- Graduation Rate: 88% (Btm 50% in VA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 40-49% (Btm 50%)
- Reading Proficiency: 82% (Top 20%)
- Science Proficiency: 65% (Top 30%)
- Attendance Zone: Millbrook High serves the southeast part of Winchester, VA, covering an area of approximately 31.8 square miles. Most families in the attendance zone can expect a typical drive of 10 to 12 minutes to the school, with the furthest edge located about 6.9 miles away.
- Source: National Center for Education Statistics (NCES), VA Dept. of Education
Top Rankings
Millbrook High School ranks among the top 20% of public schools in Virginia for:
Category
Attribute
Reading/Language Arts Proficiency
School Overview
Millbrook High School's student population of 1,550 students has stayed relatively flat over five school years.
The teacher population of 99 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(Primarily virtual)
(Primarily virtual)
Total Students
1,550 students
Total Classroom Teachers
99 teachers
Year Founded
2003
School Calendar
School Rankings
Millbrook High School ranks within the bottom 50% of all 1,773 schools in Virginia (based off of combined math and reading proficiency testing data).
The diversity score of Millbrook High School is 0.64, which is less 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
#1009 out of 1773 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
40-49%
68%
Reading/Language Arts Test Scores (% Proficient)
(20-21)82%
69%
Science Test Scores (% Proficient)
(20-21)65%
59%
Student-Teacher Ratio
16:1
14:1
Asian
3%
8%
Hispanic
41%
20%
Black
6%
21%
White
44%
44%
Two or more races
6%
7%
All Ethnic Groups
Graduation Rate
88%
88.8%
Chronically Absent Students
(22-23)20.2%
19.1%
Eligible for Free Lunch
42%
57%
Eligible for Reduced Lunch
5%
2%
School Statewide Testing
School District Name
Sports
Colors
Blue, Navy Blue
School Mascot
American Pioneer
Source: National Center for Education Statistics (NCES), VA Dept. of Education
Frequently Asked Questions
What is Millbrook High School's ranking?
Millbrook High School is ranked #1009 out of 1,773 schools, which ranks it among the bottom 50% of public schools in Virginia.
What schools are Millbrook High School often compared to?
Millbrook High Schoolis often viewed alongside schools like Sherando High School, James Wood High School, John Handley High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
40-49% of students have achieved math proficiency (compared to the 68% VA state average), while 82% of students have achieved reading proficiency (compared to the 69% VA state average).
What is the graduation rate of Millbrook High School?
The graduation rate of Millbrook High School is 88%, which is lower than the Virginia state average of 88.8%.
How many students attend Millbrook High School?
1,550 students attend Millbrook High School.
What is the racial composition of the student body?
44% of Millbrook High School students are White, 41% of students are Hispanic, 6% of students are Black, 6% of students are Two or more races, and 3% of students are Asian.
What is the student-teacher ratio of Millbrook High School?
Millbrook High School has a student ration of 16:1, which is higher than the Virginia state average of 14:1.
What grades does Millbrook High School offer ?
Millbrook High School offers enrollment in grades 9-12 (Primarily virtual).
What school district is Millbrook High School part of?
Millbrook High School is part of Frederick County School District.
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