- Enrollment
- 322
- Students per teacher
- 8.5:1
- Resource Index
- 45/100
High school (grades 9-12) · Derby, CT
Derby High School
Federal NCES profile for Derby High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 090111000175
👥 S:T ratio 62
🌟 Gifted program 30
🎓 Counselors 76
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Derby High School earns 42/100 on the Resource Investment Index, with class sizes smaller than 85% of Connecticut schools.
- #4 of 5
- public schools in Derby · Resource Index
- 42
- Resource Index · Typical
- 9.5:1
- small classes for Connecticut
- 43.4%
- free-lunch eligible
Derby High School has class sizes smaller than 85% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Derby High School ranks #4 of 5 public schools in Derby, CT.
School address
District: Derby School District · Connecticut
NCES ID 090111000175 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+1 students YoY
Derby High School held near 370 students from 2022-23 to 2023-24 (+1 headcount).
Teacher FTE lost 38.0 → 36.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+1 students YoY 090111000175 · Derby, CT High · SMALL · TRAD
360 enr · 9.5:1 · 43.4% lunch · RII 42
Nearest enrollment peer: Irving School (322 students)
Derby High School held near 370 students from 2022-23 to 2023-24 (+1 headcount). Teacher FTE lost 38.0 → 36.0 across the same CCD years. Read with this school → · District book → · Connecticut schools → · Find another →
Derby High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Derby High School
360 students
- Irving School
Irving School
322 students
- Derby Middle S
Derby Middle School
300 students
- Bradley School
Bradley School
244 students
- Little Raiders 63
Little Raiders University
63 students
What this shows Derby High School reports 360 students on the CCD universe file.
How Derby High School compares
Derby High 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 | 9.5:1 | ▼ 21% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 43.4% | ▲ 19% | 36.4% | 51.7% |
| Enrollment | 360 | top 61% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9.5:1
Leaner classes than 91% of US schools, among the more generously staffed nationally.
360
Bigger than 41% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
43.4%
free-lunch eligible
- 19% 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
9.5:1
students per teacher
- 21% below state mean
Top 15% in Connecticut - lower ratio than 85% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
41.7%
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
Counselors3.0 FTE
Per 120 students, the combined health-and-guidance staffing load for this school.
Discipline context
42
in-school suspensions + 59 out-of-school
Suspension rate: 11.7 per 100 students. Combined in-school and out-of-school rate: 28.1 per 100 students. Reported via the Civil Rights Data Collection. Includes 3 expulsions.
Student demographics
Hispanic or Latino 45.0%
White 23.6%
African American 23.1%
Two or More 5.8%
Asian 2.5%
Largest group: Hispanic or Latino at 45.0% of enrollment.
Student-body diversity index 68.4/100
Simpson diversity index - at 68.4, Derby High School is more mixed than the Connecticut school average of 50.5.
Programs
AP courses offered 8
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 High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Irving School | Similar size | Higher economic need | Similar S:T ratio |
| Derby Middle School | Similar size | Similar economic need | Similar S:T ratio |
| Bradley School | Smaller | Similar economic need | Similar S:T ratio |
| Little Raiders University | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Derby High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 300
- Students per teacher
- 10:1
- Resource Index
- 50/100
- 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 high 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 (~360 students)
Frequently asked questions about Derby High School
How many students attend Derby High School?
Derby High School has 360 students enrolled. It is a high school in Derby, CT. CCD year-over-year: 369 (2022-23) → 370 (2023-24), nearly flat (+1).
What is the student-teacher ratio at Derby High School?
The student-teacher ratio at Derby High School is 9.5:1, which is 21% lower than the Connecticut average of 12.1:1 and 39% 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 High School?
43.4% of students at Derby High School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Derby High School?
The largest demographic group at Derby High School is Hispanic or Latino at 45.0% of enrollment, in Derby, CT. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 68.4/100.
What is the Resource Investment Index for Derby High School?
Derby High School has a Resource Investment Index of 42/100 (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 Derby High School rank among public schools in Derby?
By Resource Investment Index, Derby High School ranks #4 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 High School, Derby School District also operates Irving School (322 students), Derby Middle School (300 students), and Bradley School (244 students). See the Derby School District district page for the complete list.