- Enrollment
- 808
- Students per teacher
- 12.6:1
- Resource Index
- 48/100
High school (grades 9-12) · North Chelmsford, MA
Chelmsford High
Federal NCES profile for Chelmsford High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 250351000475
👥 S:T ratio 44
🌟 Gifted program 30
🎓 Counselors 63
📋 Attendance 52
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Chelmsford High earns 47/100 on the Resource Investment Index, with class sizes larger than 79% of Massachusetts schools. It is also one of the largest schools in Massachusetts.
- 47
- Resource Index · Typical
- 14:1
- large classes for Massachusetts
- 1,402
- students enrolled
Chelmsford High has class sizes larger than 79% of Massachusetts schools. Computed live against every Massachusetts school reporting to NCES.
School address
District: Chelmsford · Massachusetts
NCES ID 250351000475 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+46 students YoY
Chelmsford High held near 1,413 students from 2022-23 to 2023-24 (+46 headcount).
Teacher FTE held 100.9 → 100.9 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+46 students YoY 250351000475 · North Chelmsford, MA High · MID · TRAD
1,402 enr · 14:1 · RII 47
Nearest enrollment peer: Mccarthy Middle School (808 students)
Chelmsford High held near 1,413 students from 2022-23 to 2023-24 (+46 headcount). Teacher FTE held 100.9 → 100.9 across the same CCD years. Read with this school → · District book → · Massachusetts schools → · Find another →
Chelmsford High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Chelmsford High
1,402 students
- Mccarthy Middl
Mccarthy Middle School
808 students
- Col Moses Park
Col Moses Parker School
778 students
- Byam School 510
Byam School
510 students
- Center Element 480
Center Elementary School
480 students
- Charles D Harr 468
Charles D Harrington
468 students
What this shows Chelmsford High reports 1,402 students on the CCD universe file.
How Chelmsford High compares
Chelmsford High held steady on CCD headcount: ratios and free-lunch share vs Massachusetts and U.S. means.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14:1 | ▲ 14% | 12.3:1 | 15.7:1 |
| Enrollment | 1,402 | top 3% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14:1
Leaner classes than 57% of US schools, a middle-of-the-pack class size.
1,402
Bigger than 96% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Staffing depth
14:1
students per teacher
- 14% above state mean
Top 79% in Massachusetts - lower ratio than 21% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
19.2%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$18,032
per pupil, district-wide
- below Massachusetts avg of $23,695
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors7.6 FTE
Per 184 students, the combined health-and-guidance staffing load for this school.
Discipline context
67
in-school suspensions + 54 out-of-school
Suspension rate: 4.8 per 100 students. Combined in-school and out-of-school rate: 8.6 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 62.5%
Asian 19.0%
Hispanic or Latino 9.5%
African American 4.6%
Two or More 4.1%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 62.5% of enrollment.
Student-body diversity index 56.0/100
Simpson diversity index - at 56.0, Chelmsford High is more mixed than the Massachusetts school average of 47.3.
Programs
AP courses offered 22
District finance for Chelmsford reports $18,032 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Chelmsford High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mccarthy Middle School | Smaller | No free-lunch data | Similar S:T ratio |
| Col Moses Parker School | Smaller | No free-lunch data | Lower S:T ratio |
| Byam School | Smaller | No free-lunch data | Similar S:T ratio |
| Center Elementary School | Smaller | No free-lunch data | Similar S:T ratio |
| Charles D Harrington | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Chelmsford High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 778
- Students per teacher
- 12.2:1
- Resource Index
- 40/100
- Enrollment
- 510
- Students per teacher
- 13.1:1
- Resource Index
- 32/100
- Enrollment
- 480
- Students per teacher
- 13.7:1
- Resource Index
- 38/100
- Enrollment
- 468
- Students per teacher
- 14.6:1
- Resource Index
- 34/100
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~1,402 students)
Frequently asked questions about Chelmsford High
How many students attend Chelmsford High?
Chelmsford High has 1,402 students enrolled. It is a high school in North Chelmsford, MA. CCD year-over-year: 1,367 (2022-23) → 1,413 (2023-24), nearly flat (+46).
What is the student-teacher ratio at Chelmsford High?
The student-teacher ratio at Chelmsford High is 14:1, which is 14% higher than the Massachusetts average of 12.3:1 and 11% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of Chelmsford High?
The largest demographic group at Chelmsford High is White at 62.5% of enrollment, in North Chelmsford, MA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.0/100.
What is the Resource Investment Index for Chelmsford High?
Chelmsford High has a Resource Investment Index of 47/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
What other schools are in Chelmsford?
Besides Chelmsford High, Chelmsford also operates Mccarthy Middle School (808 students), Col Moses Parker School (778 students), and Byam School (510 students). See the Chelmsford district page for the complete list.