Enrollment
300
Connecticut · 2024-25 NCES data
2024-25 NCES data Middle school (grades 6-8) NCES 090111001578
Derby Middle School — Derby, CT
Federal NCES profile for Derby Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 50/100.
👥 Class size 61
🌟 Gifted program 30
🎓 Counselors 70
📋 Attendance 40
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
School address
District: Derby School District · Connecticut
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
30.0
Federal CCD staff survey
Students per teacher
9.7:1
vs 12.1:1 Connecticut avg
-20% vs state
Free-lunch eligible
48.5%
vs 36.4% Connecticut avg
+33% vs state
Student-teacher ratio in context
How Derby Middle School compares with Connecticut and U.S. medians
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Derby Middle School reports 300 enrolled students to the National Center for Education Statistics (NCES) alongside 30.0 full-time-equivalent teachers, producing a 9.7:1 student-teacher ratio. That figure sits 20% below the Connecticut state mean of 12.1:1, signalling more teacher attention per pupil than the state benchmark. Against the national 2024-25 average of 15.9:1, it is 39% lower, a useful calibration for families comparing districts across state lines.
Title I and federal lunch eligibility offer another window into the student body: 48.5% of pupils qualify for free meals, a proxy for household income that federal programs use to direct funding. The free-lunch share is 33% above the Connecticut average and 6% below the national baseline. Counselor coverage works out to roughly 150 students per counselor, meeting the American School Counselor Association recommendation of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 24.0% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Derby School District spends $29,061 per pupil district-wide, above the Connecticut average of $28,239 and above the national average of $19,490. Revenue comes 47.4% from local sources (property taxes), 40.8% from the state, and 11.8% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 50/100 (C-), calculated from 4 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Derby Middle School compares
Cross-validating school-level NCES values against Connecticut state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 9.7:1 | ▼ 20% | 12.1:1 | 15.9:1 |
| Free-lunch eligible | 48.5% | ▲ 33% | 36.4% | 51.8% |
| Enrollment | 300 | top 24% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
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
9.7:1
students per teacher
— 20% below state mean
Top 14% in Connecticut — lower ratio than 86% of state schools
Below the 15:1 benchmark — typical of schools with smaller class sizes and more individualized attention.
Engagement
24.0%
chronically absent (missed 10%+ of school days)
Chronic absenteeism at or above 20% — the CDC threshold for "high" — signals significant barriers to regular attendance.
Funding equity
$29,061
per pupil, district-wide
— above Connecticut avg of $28,239
Above the U.S. public-school average, reflecting 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.
Overview
Enrollment 300 Top 24% in Connecticut — larger than 76% of 1,005 state schools
Teachers (FTE) 30.0
Students per teacher 9.7:1 -20% vs state
Free-lunch eligible 48.5% +33% vs state
NCES ID 090111001578
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.
Programs & staff
Counselors (FTE) 2.0
Students per counselor 150:1
Discipline & special education
Chronically absent 24.0%
In-school suspensions 43
Out-of-school suspensions 26
Expulsions 5
Funding & spending
District-wide per-pupil expenditure for Derby School District, which includes Derby Middle School.
$29,061
Per student
+3%
vs Connecticut
Avg $28,239
+49%
vs U.S.
Avg $19,490
Revenue mix
Local 47.4%
State 40.8%
Federal 11.8%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
Other Schools in This District
- Enrollment
- 360
- Students per teacher
- 9.7:1
- Enrollment
- 322
- Students per teacher
- 8.1:1
- Enrollment
- 244
- Students per teacher
- 11.5:1
- Enrollment
- 63
- Students per teacher
- 14.3:1
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
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.
What is the student-teacher ratio at Derby Middle School?
The student-teacher ratio at Derby Middle School is 9.7:1, which is 20% lower than the Connecticut average of 12.1:1 and 39% lower than the national average of 15.9:1. 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%. The school serves a diverse student body in Derby, CT.
What is the Resource Investment Index for Derby Middle School?
Derby Middle School has a Resource Investment Index of 50/100 (C-) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.