- Enrollment
- 360
- Students per teacher
- 9.5:1
- Resource Index
- 42/100
Middle school (grades 6-8) · Derby, CT
Derby Middle School
Federal NCES profile for Derby Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 50/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 090111001578
👥 S:T ratio 60
🌟 Gifted program 30
🎓 Counselors 70
📋 Attendance 40
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Derby Middle School earns 50/100 on the Resource Investment Index, with class sizes smaller than 80% of Connecticut schools.
- #1 of 5
- public schools in Derby · Resource Index
- 50
- Resource Index · Higher
- 10:1
- small classes for Connecticut
- 48.5%
- free-lunch eligible
Derby Middle School has class sizes smaller than 80% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Derby Middle School ranks #1 of 5 public schools in Derby, CT.
School address
District: Derby School District · Connecticut
NCES ID 090111001578 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-9 students YoY
Derby Middle School held near 282 students from 2022-23 to 2023-24 (-9 headcount).
Teacher FTE lost 30.0 → 26.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-9 students YoY 090111001578 · Derby, CT Middle · SMALL · TRAD
300 enr · 10:1 · 48.5% lunch · RII 50
Nearest enrollment peer: Derby High School (360 students)
Derby Middle School held near 282 students from 2022-23 to 2023-24 (-9 headcount). Teacher FTE lost 30.0 → 26.0 across the same CCD years. Read with this school → · District book → · Connecticut schools → · Find another →
Derby Middle School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Derby High Sch
Derby High School
360 students
- Irving School
Irving School
322 students
- This school
Derby Middle School
300 students
- Bradley School
Bradley School
244 students
- Little Raiders 63
Little Raiders University
63 students
What this shows Derby Middle School reports 300 students on the CCD universe file.
How Derby Middle School compares
Derby Middle School held steady on CCD headcount: ratios and free-lunch share vs Connecticut and U.S. means.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10:1 | ▼ 17% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 48.5% | ▲ 33% | 36.4% | 51.7% |
| Enrollment | 300 | top 76% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10:1
Leaner classes than 89% of US schools, among the more generously staffed nationally.
300
Bigger than 32% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
48.5%
free-lunch eligible
- 33% above the Connecticut average of 36.4%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
10:1
students per teacher
- 17% below state mean
Top 20% in Connecticut - lower ratio than 80% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
24.0%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$27,538
per pupil, district-wide
- above Connecticut avg of $24,680
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors2.0 FTE
Per 150 students, the combined health-and-guidance staffing load for this school.
Discipline context
43
in-school suspensions + 26 out-of-school
Suspension rate: 14.3 per 100 students. Combined in-school and out-of-school rate: 23.0 per 100 students. Reported via the Civil Rights Data Collection. Includes 5 expulsions.
Student demographics
Hispanic or Latino 47.7%
White 25.7%
African American 21.3%
Two or More 4.3%
Asian 1.0%
Largest group: Hispanic or Latino at 47.7% of enrollment.
Student-body diversity index 65.9/100
Simpson diversity index - at 65.9, Derby Middle School is more mixed than the Connecticut school average of 50.5.
Programs
District finance for Derby School District reports $27,538 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Derby Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Derby High School | Similar size | Similar economic need | Similar S:T ratio |
| Irving School | Similar size | Higher economic need | Lower S:T ratio |
| Bradley School | Similar size | Similar economic need | Similar S:T ratio |
| Little Raiders University | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Derby Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 322
- Students per teacher
- 8.5:1
- Resource Index
- 45/100
- Enrollment
- 244
- Students per teacher
- 10.6:1
- Resource Index
- 45/100
- Enrollment
- 63
- Students per teacher
- 15.8:1
- Resource Index
- 33/100
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 (~300 students)
Frequently asked questions about Derby Middle School
How many students attend Derby Middle School?
Derby Middle School has 300 students enrolled. It is a middle school in Derby, CT. CCD year-over-year: 291 (2022-23) → 282 (2023-24), nearly flat (-9).
What is the student-teacher ratio at Derby Middle School?
The student-teacher ratio at Derby Middle School is 10:1, which is 17% lower than the Connecticut average of 12.1:1 and 36% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Derby Middle School?
48.5% of students at Derby Middle School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Derby Middle School?
The largest demographic group at Derby Middle School is Hispanic or Latino at 47.7% of enrollment, in Derby, CT. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 65.9/100.
What is the Resource Investment Index for Derby Middle School?
Derby Middle School has a Resource Investment Index of 50/100 (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 Derby Middle School rank among public schools in Derby?
By Resource Investment Index, Derby Middle School ranks #1 of 5 public schools in Derby, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Derby on the city page.
What other schools are in Derby School District?
Besides Derby Middle School, Derby School District also operates Derby High School (360 students), Irving School (322 students), and Bradley School (244 students). See the Derby School District district page for the complete list.