Serving 1,367 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 66% (which is higher than the Massachusetts state average of 41%). 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 33% of the student body (majority Asian), which is lower than the Massachusetts state average of 46% (majority Hispanic).
Quick Stats (2024-25)
- School Type: Magnet School
- Grades: 9-12
- Enrollment: 1,367 students
- Student:Teacher Ratio: 14:1
- Minority Enrollment: 33%
- Graduation Rate: 98% (Top 5% in MA)
- Overall Testing Rank: Top 10%
- Math Proficiency: 66% (Top 20%)
- Reading Proficiency: 79% (Top 5%)
- Science Proficiency: 68% (Top 20%)
- 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 1,367 students has declined by 5% over five school years.
The teacher population of 101 teachers has declined by 6% over five school years.
School Type
Grades Offered
Grades 9-12
(offers virtual instruction)
(offers virtual instruction)
Total Students
1,367 students
Gender %
Total Classroom Teachers
101 teachers
Students by Grade
School Rankings
Chelmsford High School ranks within the top 10% of all 1,631 schools in Massachusetts (based off of combined math and reading proficiency testing data).
The diversity score of Chelmsford High School is 0.51, which is less than the diversity score at state average of 0.64. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#125 out of 1631 schools
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
66%
41%
Reading/Language Arts Test Scores (% Proficient)
79%
44%
Science Test Scores (% Proficient)
68%
44%
Student : Teacher Ratio
14:1
12:1
American Indian
n/a
n/a
Asian
18%
7%
Hispanic
8%
24%
Black
4%
10%
White
67%
54%
Hawaiian
n/a
n/a
Two or more races
3%
5%
All Ethnic Groups
Graduation Rate
98%
90%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
10%
35%
Eligible for Reduced Lunch
3%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MA Dept. of Education
Frequently Asked Questions
What is Chelmsford High School's ranking?
Chelmsford High School is ranked #125 out of 1,631 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 by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
66% of students have achieved math proficiency (compared to the 41% 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 98%, which is higher than the Massachusetts state average of 90%.
How many students attend Chelmsford High School?
1,367 students attend Chelmsford High School.
What is the racial composition of the student body?
67% of Chelmsford High School students are White, 18% of students are Asian, 8% of students are Hispanic, 4% of students are Black, and 3% 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 (offers virtual instruction).
What school district is Chelmsford High School part of?
Chelmsford High School is part of Chelmsford School District.
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