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Thomas Ditson — School Calendar 2026-27
Primary|Billerica, Massachusetts|Billerica
Billerica, MA 01821
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School Profile
School Statistics
Academics (SY 2020-21)
ELA Proficiency
59%
67th percentile in MA
Math Proficiency
46%
67th percentile in MA
Chronic Absenteeism
5.7%
SY 2019-20
Technology & Internet Access (SY 2021-22)
Wi-Fi
Campus-wide wireless
Fiber Internet
High-speed connection
546
Connected devices
Staff & Support Services (SY 2021-22)
Teachers (FTE)
34.1
100% fully certified
Psychologists
1
Social Workers
3
Nurses
0.5
Anti-Bullying Policy
District Finance (FY 2023)
Per-Pupil Spending
$21,121
Total current expenditure
Instruction Spending
$13,663
Per pupil, classroom only
Total Revenue/Pupil
$21,637
All funding sources
Funding Sources
Federal 6%State 36%Local 58%
District-level data from NCES F-33 Survey
Community Context
Median Home Value
$713,764
+1.6% 1yr+31.0% 5yr
Boston, MA metro area
Community Need Level
Moderate
CDC/ATSDR Social Vulnerability Index 2022
Neighborhood Indicators (Census Tract)
11.9%
Below 150% poverty line
4.4%
Unemployment rate
2.5%
Uninsured residents
6.6%
No HS diploma (25+)
Special Education (IDEA)
District-level data from IDEA Part B · Students ages 3-21 served under IDEA
Total Students Served
1,127
Ages 3-21 under IDEA
School-Age (6-21)
1,038
Receiving special ed services
Est. % of Enrollment
100%
District rate, school may vary
Disability Categories (District)
Specific Learning Disability
235 (23%)
Autism
199 (19%)
Other Health Impairment
182 (18%)
Speech/Language Impairment
160 (15%)
Emotional Disturbance
92 (9%)
Intellectual Disability
31 (3%)
Source: U.S. Department of Education, IDEA Section 618 Data · District-level counts · Individual school figures may differ
Enrollment Trend (2014-2025)
542
Current enrollment
Stable(-0% 5yr)Frequently Asked Questions about Thomas Ditson
Enrollment at Thomas Ditson stands at 551 students. The school is a Primary institution in the local district.
Calendar Guides
School profiles: Data from NCES Common Core of Data. Calendar events from district calendar sources, updated automatically. · How we verify this data