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Very Good

#544 of 1,791 schools in MA

Top 30% in state

Chelmsford High

High School · Chelmsford

200 Richardson Rd, North Chelmsford, MA 01863

Enrollment

1,413

Student-Teacher

14.1:1

Score

7.1

Grades

9th – 12th

Updated 2022-23

How this school compares

In North Chelmsford

#1 of 2

public schools

Massachusetts high schools

#119 of 366

In district

#1 of 8

Chelmsford

Equity

9.6 / 10

Exceptional

About Chelmsford High

Chelmsford High serves 1,413 students in grades 9-12 in North Chelmsford, Massachusetts, operating as a comprehensive public high school with a student-teacher ratio of 14.1:1. The school demonstrates strong academic performance with a MySchoolScout rating of 7.4 out of 10 and ranks #269 out of 1,796 Massachusetts high schools, placing it in the 85th percentile statewide. Students at Chelmsford High show solid achievement across core subjects, with 79% scoring proficient or above in English Language Arts and reading, while 66% demonstrate proficiency in mathematics.

The school's academic score of 9.4 out of 10 reflects its commitment to educational excellence and college preparation. The school draws from an affluent suburban community where the median household income reaches $128,682 and nearly half of residents hold bachelor's degrees or higher. With a poverty rate of just 3.1% and median home values around $427,300, the surrounding neighborhood provides a stable, education-focused environment that supports student success.

With 100 full-time equivalent teachers serving the student body, Chelmsford High maintains manageable class sizes that allow for meaningful student-teacher relationships. Located on Richardson Road in this large suburban setting, the school serves a community that values academic achievement and provides strong support for its students' educational journey.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress6.5Above Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data6
Annual Change-1.54 pts/yr
Data Period2019–2025
TrendDeclining
Academics9.5Exceptional25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency66%
Reading/ELA Proficiency79%
Math vs. State Avg+20.1 pts
Reading vs. State Avg+27 pts
Overall Proficiency73%
Expected (poverty-adj.)54%
vs. Expected+18.2 pts
Adjusted Percentile93th
College Readiness8.3Excellent30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation24.3%
IB ProgramNo
Resources & Environment2.9Needs Improvement20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio14.1:1
Per-Pupil Spending$17,638

Chelmsford High — Students at Chelmsford High score 72% proficient, which is above what's typical for similar communities (expected: 54%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

0.1%

Students qualifying for federal meal assistance

Test Scores MA MCAS (2024-25)

Math Proficiency 71.3%
School
State
52.0%
ELA Proficiency 80.7%
School
State
59.6%

Based on 22 test records from MA state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
81.5%
ELA
82%
2021*
Math
71%
ELA
84%
2022
Math
66%
ELA
79%
2023
Math
67%
ELA
78%
2024
Math
75%
ELA
83%
2025
Math
63%
ELA
75%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 6.5/10.

How Chelmsford High Compares

See how Chelmsford High performs across key quality dimensions compared to state benchmarks.

Overall Score
7.1/10
70th percentile in MA
Academic
9.5/10
9.5/10
Growth
6.5/10
Above average
Environment
2.9/10
Below average

Location

200 Richardson Rd, North Chelmsford, MA 01863

Nearby Alternatives

Families considering Chelmsford High may also want to explore other high schools in the area. Gr Lowell Regional Vocational Technical (rated 6.5/10, 2.3 miles away, in nearby Tyngsborough), with a comparable rating. Additionally, Innovation Academy Charter School (rated 5.5/10, 3.1 miles away, in nearby Tyngsboro), a more accessible option. For more schools in North Chelmsford, see our North Chelmsford schools guide .

Nearby Schools

20 within 3.1 mi
School Distance Rating
Charles D Harrington North Chelmsford 0.2 mi 5.6
Col Moses Parker School Chelmsford 0.4 mi 5.6
McCarthy Middle School Chelmsford 0.5 mi 5.8
GREATER VISIONS CHILDRENS CENTER Chelmsford 0.7 mi
KEYSTONE MONTESSORI SCHOOL North Chelmsford 1.1 mi 7.1
Collegiate Charter School of Lowell Lowell 1.3 mi 2.9
LIGHTHOUSE SCHOOL, INC North Chelmsford 1.7 mi 7.1
Gr Lowell Regional Vocational Technical Tyngsborough 2.3 mi 6.5
Community Education Center Chelmsford 1.8 mi 5.0
Pawtucketville Memorial Lowell 2.2 mi 4.5
Dr An Wang School Lowell 2.3 mi 4.2
Center Elementary School Chelmsford 2.2 mi 6.0
James S Daley Middle School Lowell 2.0 mi 7.1
Dr Gertrude Bailey Lowell 2.0 mi 6.9
COMMUNITY CHRISTIAN ACADEMY Lowell 2.3 mi 5.4
Charles W Morey Lowell 2.4 mi 4.7
Washington Lowell 2.4 mi 3.9
Nabnasset Westford 2.5 mi 7.2
Byam School Chelmsford 3.4 mi 5.8
Innovation Academy Charter School Tyngsboro 3.1 mi 5.5

Neighborhood Census ACS (2019-2023)

Census data for ZIP 01863 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$136,284

Median Home Value

$477,900

Median Rent

$1,698/mo

Population

9,592

College Educated

48.6%

Homeownership

84.4%

Avg Commute

29 min

Poverty Rate

3.4%

Median Age

42.8

Community Profile

The community surrounding Chelmsford High has a median household income of $136,284. It is a well-educated community where 49% of adults hold a bachelor's degree or higher. The median home value in the area is $477,900, with a median rent of $1,698/month. The local poverty rate of 3.4% is relatively low. The average commute for residents is 29 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Boston Latin Academy Dorchester, MA 7.1
Canton High Canton, MA 7.1
King Philip Regional High Wrentham, MA 7.1
Advanced Math and Science Academy Charter School Marlborough, MA 7.0
Burlington High Burlington, MA 7.0
Roger L. Putnam Vocational Technical Academy Springfield, MA 7.0

Frequently Asked Questions

Common questions about Chelmsford High

What grades does Chelmsford High serve?

Chelmsford High serves students in grades 9th through 12th.

How many students attend Chelmsford High?

Chelmsford High has an enrollment of approximately 1,413 students.

What is the student-teacher ratio at Chelmsford High?

The student-teacher ratio at Chelmsford High is 14.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Chelmsford High rank in MA?

Chelmsford High is ranked #544 out of 1,791 schools in MA.

What is Chelmsford High's MySchoolScout rating?

Chelmsford High has a composite rating of 7.1 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Chelmsford High?

Based on the most recent state assessment data, Chelmsford High has 71.3% math proficiency and 80.7% reading/ELA proficiency.

Is Chelmsford High a charter school?

No, Chelmsford High is not a charter school. It is a traditional public school operated by the local school district.

Is Chelmsford High a Title I school?

No, Chelmsford High is not currently a Title I school.

11 schools nearby View map →

Neighborhood Context

Walk Score
14 Car-Dependent
Bike Score
25 Somewhat Bikeable

Powered by Walk Score

FBI UCR. County-level only.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
1,413
Student-Teacher Ratio
14.1:1
Teachers (FTE)
100
Type
regular
Setting
Large Suburb
County
Middlesex County
Data Year
2023–2024

District

Chelmsford
District Enrollment
5,130
Schools in District
8
Per-Pupil Spending
$18,243
District Rank
#1 of 8

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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