Serving 1,402 students in grades 9-12, Chelmsford High School ranks in the top 10% of all schools in Massachusetts for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 67% (which is higher than the Massachusetts state average of 42%). The percentage of students achieving proficiency in reading/language arts is 79% (which is higher than the Massachusetts state average of 44%).
The student-teacher ratio of 14:1 is higher than the Massachusetts state level of 12:1.
Minority enrollment is 38% of the student body (majority Asian), which is lower than the Massachusetts state average of 49% (majority Hispanic).
Quick Facts (26-27)
- Grades: 9-12
- Enrollment: 1,402 students
- Student-Teacher Ratio: 14:1
- Minority Enrollment: 38%
- Graduation Rate: 97% (Top 10% in MA)
- Overall Testing Rank: Top 10%
- Math Proficiency: 67% (Top 20%)
- Reading Proficiency: 79% (Top 5%)
- Science Proficiency: 68% (Top 20%)
- Attendance Zone: Chelmsford High's attendance zone encompasses the entire school district of North Chelmsford, MA, covering approximately 23.1 square miles. Most students typically live within a 5-10 minute drive to the school, with an average distance of 2.7 miles from the school to the edge of the zone, reaching up to 5 miles at its furthest point.
- Source: National Center for Education Statistics (NCES), MA Dept. of Education
Top Rankings
Chelmsford High School ranks among the top 20% of public schools in Massachusetts for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
School Overview
Chelmsford High School's student population of 1,402 students has stayed relatively flat over five school years.
The teacher population of 100 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
1,402 students
Showing 2016–2025. View full 38-year historical data
Total Classroom Teachers
100 teachers
Showing 2016–2025. View full 22-year historical data
Year Founded
1917
School Calendar
School Rankings
Chelmsford High School ranks within the top 10% of all 1,626 schools in Massachusetts (based off of combined math and reading proficiency testing data).
The diversity score of Chelmsford High School is 0.57, which is less than the diversity score at state average of 0.66. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#109 out of 1626 schools
(Top 10%)
(Top 10%)
Showing 2013–2023. View full 14-year historical data
Math Test Scores (% Proficient)
67%
42%
Showing 2013–2023. View full 14-year historical data
Reading/Language Arts Test Scores (% Proficient)
79%
44%
Showing 2012–2022. View full 13-year historical data
Science Test Scores (% Proficient)
68%
44%
Student-Teacher Ratio
14:1
12:1
Showing 2016–2025. View full 22-year historical data
Asian
19%
8%
Showing 2016–2025. View full 38-year historical data
Hispanic
10%
26%
Showing 2016–2025. View full 38-year historical data
Black
5%
10%
Showing 2016–2025. View full 38-year historical data
White
62%
51%
Showing 2016–2025. View full 38-year historical data
Two or more races
4%
5%
Showing 2016–2025. View full 15-year historical data
All Ethnic Groups
Showing 2016–2025. View full 38-year historical data
Graduation Rate
97%
89.2%
Showing 2014–2023. View full 13-year historical data
Chronically Absent Students
(22-23)16.8%
22.8%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
9%
34%
Showing 2011–2025. View full 27-year historical data
Eligible for Reduced Lunch
3%
4%
Showing 2011–2025. View full 27-year historical data
School Statewide Testing
School District Name
Sports
Colors
Maroon and White
School Mascot
Lion
Source: National Center for Education Statistics (NCES), MA Dept. of Education
Profile last updated:
Frequently Asked Questions
What is Chelmsford High School's ranking?
Chelmsford High School is ranked #109 out of 1,626 schools, which ranks it among the top 10% of public schools in Massachusetts.
What schools are Chelmsford High School often compared to?
Chelmsford High Schoolis often viewed alongside schools like Tewksbury Memorial High School, Billerica Memorial High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
67% of students have achieved math proficiency (compared to the 42% MA state average), while 79% of students have achieved reading proficiency (compared to the 44% MA state average).
What is the graduation rate of Chelmsford High School?
The graduation rate of Chelmsford High School is 97%, which is higher than the Massachusetts state average of 89.2%.
How many students attend Chelmsford High School?
1,402 students attend Chelmsford High School.
What is the racial composition of the student body?
62% of Chelmsford High School students are White, 19% of students are Asian, 10% of students are Hispanic, 5% of students are Black, and 4% of students are Two or more races.
What is the student-teacher ratio of Chelmsford High School?
Chelmsford High School has a student ration of 14:1, which is higher than the Massachusetts state average of 12:1.
What grades does Chelmsford High School offer ?
Chelmsford High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Chelmsford High School part of?
Chelmsford High School is part of Chelmsford School District.
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