- Enrollment
- 1,816
- Students per teacher
- 14.2:1
- Resource Index
- 43/100
Elementary school (grades K-5) · Billerica, MA
Thomas Ditson
Federal NCES profile for Thomas Ditson, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.
2024-25 NCES dataElementary school (grades K-5)NCES 250267000186
👥 S:T ratio 34
🌟 Gifted program 30
📋 Attendance 55
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Thomas Ditson earns 40/100 on the Resource Investment Index, with class sizes larger than 93% of Massachusetts schools.
- #5 of 6
- elementary schools in Billerica · Resource Index
- 40
- Resource Index · Typical
- 16.4:1
- large classes for Massachusetts
- 542
- students enrolled
Thomas Ditson has class sizes larger than 93% of Massachusetts schools. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Thomas Ditson ranks #5 of 6 elementary schools in Billerica, MA.
School address
District: Billerica · Massachusetts
NCES ID 250267000186 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-6 students YoY
Thomas Ditson held near 551 students from 2022-23 to 2023-24 (-6 headcount).
Teacher FTE held 33.2 → 33.2 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-6 students YoY 250267000186 · Billerica, MA Elementary · MID · TRAD
542 enr · 16.4:1 · RII 40
Nearest enrollment peer: Billerica Memorial High School (1,816 students)
Thomas Ditson held near 551 students from 2022-23 to 2023-24 (-6 headcount). Teacher FTE held 33.2 → 33.2 across the same CCD years. Read with this school → · District book → · Massachusetts schools → · Find another →
Thomas Ditson in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Billerica Memo
Billerica Memorial High School
1,816 students
- Marshall Middl 596
Marshall Middle School
596 students
- This school 542
Thomas Ditson
542 students
- Locke Middle 531
Locke Middle
531 students
- Parker 446
Parker
446 students
- Hajjar Element 401
Hajjar Elementary
401 students
What this shows Thomas Ditson reports 542 students on the CCD universe file.
How Thomas Ditson compares
Thomas Ditson 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 | 16.4:1 | ▲ 33% | 12.3:1 | 15.7:1 |
| Enrollment | 542 | top 31% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.4:1
Leaner classes than 35% of US schools, a middle-of-the-pack class size.
542
Bigger than 67% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
16.4:1
students per teacher
- 33% above state mean
Top 93% in Massachusetts - lower ratio than 7% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
18.1%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$20,862
per pupil, district-wide
- below Massachusetts avg of $23,695
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 1 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.2 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 64.9%
Asian 14.8%
Hispanic or Latino 11.1%
African American 4.8%
Two or More 3.7%
American Indian / Alaska Native 0.6%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 64.9% of enrollment.
Student-body diversity index 54.1/100
Simpson diversity index - at 54.1, Thomas Ditson is more mixed than the Massachusetts school average of 47.3.
Programs
District finance for Billerica reports $20,862 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Thomas Ditson Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Billerica Memorial High School | Larger | No free-lunch data | Lower S:T ratio |
| Marshall Middle School | Similar size | No free-lunch data | Lower S:T ratio |
| Locke Middle | Similar size | No free-lunch data | Lower S:T ratio |
| Parker | Similar size | No free-lunch data | Lower S:T ratio |
| Hajjar Elementary | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Thomas Ditson's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 596
- Students per teacher
- 12.2:1
- Resource Index
- 50/100
- Enrollment
- 531
- Students per teacher
- 11.8:1
- Resource Index
- 45/100
- Enrollment
- 446
- Students per teacher
- 14.4:1
- Resource Index
- 41/100
- Enrollment
- 401
- Students per teacher
- 15.4:1
- Resource Index
- 39/100
Similar elementary schools in Billerica
5 comparable elementary schools (grades K-5) serving the same city.
Marshall Middle School
Standard public school
596 students 12.2:1 students per teacher
Locke Middle
Standard public school
531 students 11.8:1 students per teacher
Parker
Standard public school
446 students 14.4:1 students per teacher
Hajjar Elementary
Standard public school
401 students 15.4:1 students per teacher
John F Kennedy
Standard public school
330 students 15.7:1 students per teacher
Nationwide elementary 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 (~542 students)
Frequently asked questions about Thomas Ditson
How many students attend Thomas Ditson?
Thomas Ditson has 542 students enrolled. It is an elementary school in Billerica, MA. CCD year-over-year: 557 (2022-23) → 551 (2023-24), nearly flat (-6).
What is the student-teacher ratio at Thomas Ditson?
The student-teacher ratio at Thomas Ditson is 16.4:1, which is 33% higher than the Massachusetts average of 12.3:1 and 4% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Thomas Ditson?
The largest demographic group at Thomas Ditson is White at 64.9% of enrollment, in Billerica, MA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 54.1/100.
What is the Resource Investment Index for Thomas Ditson?
Thomas Ditson has a Resource Investment Index of 40/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Thomas Ditson rank among elementary schools in Billerica?
By Resource Investment Index, Thomas Ditson ranks #5 of 6 elementary schools in Billerica, MA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Billerica on the city page.
What other schools are in Billerica?
Besides Thomas Ditson, Billerica also operates Billerica Memorial High School (1,816 students), Marshall Middle School (596 students), and Locke Middle (531 students). See the Billerica district page for the complete list.