- Enrollment
- 816
- Students per teacher
- 10.5:1
- Resource Index
- 58/100
Elementary school (grades K-5) · Sudbury, MA
Josiah Haynes
Federal NCES profile for Josiah Haynes, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataElementary school (grades K-5)NCES 251134001876
👥 S:T ratio 36
🌟 Gifted program 30
🎓 Counselors 39
📋 Attendance 87
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Josiah Haynes earns 48/100 on the Resource Investment Index, with class sizes larger than 91% of Massachusetts schools.
- #1 of 3
- elementary schools in Sudbury · Resource Index
- 48
- Resource Index · Typical
- 15.9:1
- large classes for Massachusetts
- 397
- students enrolled
Josiah Haynes has class sizes larger than 91% of Massachusetts schools. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Josiah Haynes ranks #1 of 3 elementary schools in Sudbury, MA.
School address
District: Sudbury · Massachusetts
NCES ID 251134001876 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+19 students YoY
Josiah Haynes grew from 370 students in 2022-23 to 389 in 2023-24 (+5.1%).
Teacher FTE added 25.5 → 33.3 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+19 students YoY 251134001876 · Sudbury, MA Elementary · SMALL · TRAD
397 enr · 15.9:1 · RII 48
Nearest enrollment peer: Ephraim Curtis Middle (816 students)
Josiah Haynes grew from 370 students in 2022-23 to 389 in 2023-24 (+5.1%). Teacher FTE added 25.5 → 33.3 across the same CCD years. Read with this school → · District book → · Massachusetts schools → · Find another →
Josiah Haynes in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Ephraim Curtis
Ephraim Curtis Middle
816 students
- Peter Noyes
Peter Noyes
508 students
- Israel Loring
Israel Loring School
426 students
- This school
Josiah Haynes
397 students
- General John N
General John Nixon Elementary
382 students
What this shows Josiah Haynes reports 397 students on the CCD universe file.
How Josiah Haynes compares
Josiah Haynes is a growing campus on CCD: ratios and free-lunch share vs Massachusetts and U.S. means.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.9:1 | ▲ 29% | 12.3:1 | 15.7:1 |
| Enrollment | 397 | top 53% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.9:1
Leaner classes than 39% of US schools, a middle-of-the-pack class size.
397
Bigger than 47% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
15.9:1
students per teacher
- 29% above state mean
Top 91% in Massachusetts - lower ratio than 9% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
5.3%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$23,100
per pupil, district-wide
- below Massachusetts avg of $23,695
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.3 FTE
Per 305 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 74.2%
Asian 10.6%
Hispanic or Latino 5.6%
Two or More 5.3%
African American 4.1%
American Indian / Alaska Native 0.3%
Largest group: White at 74.2% of enrollment.
Student-body diversity index 43.1/100
Simpson diversity index - at 43.1, Josiah Haynes is less mixed than the Massachusetts school average of 47.3.
Programs
District finance for Sudbury reports $23,100 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Josiah Haynes Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Ephraim Curtis Middle | Larger | No free-lunch data | Lower S:T ratio |
| Peter Noyes | Larger | No free-lunch data | Lower S:T ratio |
| Israel Loring School | Similar size | No free-lunch data | Lower S:T ratio |
| General John Nixon Elementary | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Josiah Haynes's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 508
- Students per teacher
- 13:1
- Resource Index
- 45/100
- Enrollment
- 426
- Students per teacher
- 12.2:1
- Resource Index
- 44/100
- Enrollment
- 382
- Students per teacher
- 14.7:1
- Resource Index
- 44/100
Similar elementary schools in Sudbury
2 comparable elementary schools (grades K-5) serving the same city.
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 (~397 students)
Frequently asked questions about Josiah Haynes
How many students attend Josiah Haynes?
Josiah Haynes has 397 students enrolled. It is an elementary school in Sudbury, MA. CCD year-over-year: 370 (2022-23) → 389 (2023-24), up 19.
What is the student-teacher ratio at Josiah Haynes?
The student-teacher ratio at Josiah Haynes is 15.9:1, which is 29% higher than the Massachusetts average of 12.3:1 and 1% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Josiah Haynes?
The largest demographic group at Josiah Haynes is White at 74.2% of enrollment, in Sudbury, MA.
What is the Resource Investment Index for Josiah Haynes?
Josiah Haynes has a Resource Investment Index of 48/100 (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).
How does Josiah Haynes rank among elementary schools in Sudbury?
By Resource Investment Index, Josiah Haynes ranks #1 of 3 elementary schools in Sudbury, 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 Sudbury on the city page.
What other schools are in Sudbury?
Besides Josiah Haynes, Sudbury also operates Ephraim Curtis Middle (816 students), Peter Noyes (508 students), and Israel Loring School (426 students). See the Sudbury district page for the complete list.