Chelmsford High School
Grades 09-12 CHELMSFORD, MA
Dropped 41 spots from last year
MCAS Test Scores
Massachusetts Comprehensive Assessment System results
English Language Arts
Mathematics
Science
Score Trends
| Year | Subject | Grade | Proficient+ | Advanced |
|---|---|---|---|---|
| 2025 | English Language Arts | 10 | 75% | 15% |
| 2025 | Mathematics | 10 | 63% | 20% |
| 2025 | Science | 10 | 53% | 12% |
| 2024 | English Language Arts | 10 | 83% | 34% |
| 2024 | Mathematics | 10 | 75% | 27% |
| 2024 | Science | 10 | 70% | 21% |
| 2023 | English Language Arts | 10 | 78% | 26% |
| 2023 | Mathematics | 10 | 67% | 16% |
| 2023 | Science | 10 | 64% | 16% |
| 2022 | English Language Arts | 10 | 79% | 17% |
| 2022 | Mathematics | 10 | 66% | 19% |
| 2022 | Science | 10 | 68% | 17% |
MCAS is administered annually to students in grades 3-8 and 10. Scores reflect the percentage of students meeting or exceeding grade-level expectations.
Student Demographics
1,402 students enrolled
Race/Ethnicity
Gender
Student Programs
Athletics Programs
32 sports programs with 2,624 student athletes
Boys Sports
- Volleyball 103 athletes
- Football 97 athletes
- Track-Outdoor 92 athletes
- Softball 64 athletes
- Rugby 52 athletes
- Baseball 49 athletes
- Basketball 40 athletes
- Wrestling 40 athletes
- Tennis 38 athletes
- Ice Hockey 34 athletes
- Cross Country 34 athletes
- Ski-Alpine 34 athletes
- Lacrosse 34 athletes
- Ski-Nordic 16 athletes
- Track-Indoor 14 athletes
- Golf 12 athletes
Girls Sports
- Wrestling 753 athletes
- Unified Basketball 559 athletes
- Track-Outdoor 104 athletes
- Track-Indoor 75 athletes
- Soccer 64 athletes
- Volleyball 54 athletes
- Cross Country 47 athletes
- Baseball 41 athletes
- Ice Hockey 35 athletes
- Softball 31 athletes
- Ski-Alpine 31 athletes
- Fall Swim/Dive 22 athletes
- Tennis 22 athletes
- Basketball 21 athletes
- Gymnastics 8 athletes
- Golf 4 athletes
Sports data from the Massachusetts Interscholastic Athletic Association (MIAA).
School Performance
Key metrics and program information
Graduation
Attendance
Advanced Placement
College Readiness
MassCore is Massachusetts' recommended college-ready curriculum.
Staffing
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Frequently Asked Questions
What is Chelmsford High School's grade rating?
Chelmsford High School has earned a grade of A, ranked #63 in Massachusetts, placing it in the top 18% of Massachusetts High schools. This rating is based on 2025 MCAS test scores, attendance rates, and other performance metrics from the Massachusetts Department of Elementary and Secondary Education.
How many students attend Chelmsford High School?
Approximately 1,402 students are enrolled at Chelmsford High School.
How does Chelmsford High School perform on MCAS tests?
Based on the most recent MCAS results, Chelmsford High School's proficiency rates are: English Language Arts (75% proficient), Mathematics (63% proficient), Science (53% proficient). MCAS (Massachusetts Comprehensive Assessment System) tests measure student achievement in English Language Arts, Mathematics, and Science.
What sports does Chelmsford High School offer?
Chelmsford High School offers 32 athletic programs (16 boys' sports, 16 girls' sports) with approximately 2,624 student athletes participating. Sports programs are sanctioned by the MIAA (Massachusetts Interscholastic Athletic Association).
What is the graduation rate at Chelmsford High School?
Chelmsford High School has a excellent 97.3% graduation rate. The state average graduation rate in Massachusetts is approximately 89%.
What is the attendance rate at Chelmsford High School?
Chelmsford High School has an attendance rate of 94%. Strong attendance is correlated with better academic outcomes.
What school district is Chelmsford High School part of?
Chelmsford High School is part of Chelmsford School District. For enrollment information, contact the district office or visit the school's website. Enrollment typically requires proof of residency within the district boundaries.
How are Massachusetts school ratings calculated?
School ratings are calculated using multiple data points from the Massachusetts Department of Elementary and Secondary Education (DESE), including MCAS test scores (proficiency and growth), attendance rates, graduation rates (for high schools), and student-teacher ratios. Schools are ranked by percentile against similar schools statewide.