- Enrollment
- 508
- Students per teacher
- 13:1
- Resource Index
- 45/100
Middle school (grades 6-8) · Sudbury, MA
Ephraim Curtis Middle
Federal NCES profile for Ephraim Curtis Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 58/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 251134001872
👥 S:T ratio 58
🌟 Gifted program 30
🎓 Counselors 73
📋 Attendance 70
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ephraim Curtis Middle earns 58/100 on the Resource Investment Index, with class sizes smaller than 73% of Massachusetts schools.
- #2 of 6
- public schools in Sudbury · Resource Index
- 58
- Resource Index · Higher
- 10.5:1
- small classes for Massachusetts
- 816
- students enrolled
Ephraim Curtis Middle has class sizes smaller than 73% of Massachusetts schools. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Ephraim Curtis Middle ranks #2 of 6 public schools in Sudbury, MA.
School address
District: Sudbury · Massachusetts
NCES ID 251134001872 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-22 students YoY
Ephraim Curtis Middle held near 828 students from 2022-23 to 2023-24 (-22 headcount).
Teacher FTE added 78.1 → 85.1 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-22 students YoY 251134001872 · Sudbury, MA Middle · MID · TRAD
816 enr · 10.5:1 · RII 58
Nearest enrollment peer: Peter Noyes (508 students)
Ephraim Curtis Middle held near 828 students from 2022-23 to 2023-24 (-22 headcount). Teacher FTE added 78.1 → 85.1 across the same CCD years. Read with this school → · District book → · Massachusetts schools → · Find another →
Ephraim Curtis Middle in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Ephraim Curtis Middle
816 students
- Peter Noyes
Peter Noyes
508 students
- Israel Loring
Israel Loring School
426 students
- Josiah Haynes
Josiah Haynes
397 students
- General John N
General John Nixon Elementary
382 students
What this shows Ephraim Curtis Middle reports 816 students on the CCD universe file.
How Ephraim Curtis Middle compares
Ephraim Curtis Middle 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 | 10.5:1 | ▼ 15% | 12.3:1 | 15.7:1 |
| Enrollment | 816 | top 12% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.5:1
Leaner classes than 86% of US schools, among the more generously staffed nationally.
816
Bigger than 86% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Staffing depth
10.5:1
students per teacher
- 15% below state mean
Top 27% in Massachusetts - lower ratio than 73% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
12.0%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
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
Counselors6.0 FTE
Per 136 students, the combined health-and-guidance staffing load for this school.
Discipline context
23
in-school suspensions + 12 out-of-school
Suspension rate: 2.8 per 100 students. Combined in-school and out-of-school rate: 4.3 per 100 students. Reported via the Civil Rights Data Collection. Includes 33 expulsions.
Student demographics
White 72.2%
Asian 10.9%
Two or More 7.0%
Hispanic or Latino 5.9%
African American 3.7%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 72.2% of enrollment.
Student-body diversity index 45.7/100
Simpson diversity index - at 45.7, Ephraim Curtis Middle is about as mixed as 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 Ephraim Curtis Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Peter Noyes | Smaller | No free-lunch data | Higher S:T ratio |
| Israel Loring School | Smaller | No free-lunch data | Higher S:T ratio |
| Josiah Haynes | Smaller | No free-lunch data | Higher S:T ratio |
| General John Nixon Elementary | Smaller | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Ephraim Curtis Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 426
- Students per teacher
- 12.2:1
- Resource Index
- 44/100
- Enrollment
- 397
- Students per teacher
- 15.9:1
- Resource Index
- 48/100
- Enrollment
- 382
- Students per teacher
- 14.7:1
- Resource Index
- 44/100
Nationwide middle 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 (~816 students)
Frequently asked questions about Ephraim Curtis Middle
How many students attend Ephraim Curtis Middle?
Ephraim Curtis Middle has 816 students enrolled. It is a middle school in Sudbury, MA. CCD year-over-year: 850 (2022-23) → 828 (2023-24), nearly flat (-22).
What is the student-teacher ratio at Ephraim Curtis Middle?
The student-teacher ratio at Ephraim Curtis Middle is 10.5:1, which is 15% lower than the Massachusetts average of 12.3:1 and 33% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Ephraim Curtis Middle?
The largest demographic group at Ephraim Curtis Middle is White at 72.2% of enrollment, in Sudbury, MA.
What is the Resource Investment Index for Ephraim Curtis Middle?
Ephraim Curtis Middle has a Resource Investment Index of 58/100 (higher 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 Ephraim Curtis Middle rank among public schools in Sudbury?
By Resource Investment Index, Ephraim Curtis Middle ranks #2 of 6 public 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 public schools in Sudbury on the city page.
What other schools are in Sudbury?
Besides Ephraim Curtis Middle, Sudbury also operates Peter Noyes (508 students), Israel Loring School (426 students), and Josiah Haynes (397 students). See the Sudbury district page for the complete list.