- Enrollment
- 360
- Students per teacher
- 9.5:1
- Resource Index
- 42/100
Elementary school (grades K-5) · Derby, CT
Irving School
Federal NCES profile for Irving School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
2024-25 NCES dataElementary school (grades K-5)NCES 090111000178
👥 S:T ratio 66
🌟 Gifted program 30
📋 Attendance 40
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Irving School earns 45/100 on the Resource Investment Index, with class sizes smaller than 94% of Connecticut schools.
- #2 of 5
- public schools in Derby · Resource Index
- 45
- Resource Index · Typical
- 8.5:1
- small classes for Connecticut
- 58.8%
- free-lunch eligible
Irving School has class sizes smaller than 94% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Irving School ranks #2 of 5 public schools in Derby, CT.
School address
District: Derby School District · Connecticut
NCES ID 090111000178 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+23 students YoY
Irving School grew from 306 students in 2022-23 to 329 in 2023-24 (+7.5%).
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).
Growing CCD campus
+23 students YoY 090111000178 · Derby, CT Elementary · SMALL · TRAD
322 enr · 8.5:1 · 58.8% lunch · RII 45
Nearest enrollment peer: Derby High School (360 students)
Irving School grew from 306 students in 2022-23 to 329 in 2023-24 (+7.5%). Teacher FTE lost 38.0 → 36.0 across the same CCD years. Read with this school → · District book → · Connecticut schools → · Find another →
Irving School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Derby High Sch
Derby High School
360 students
- This 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 Irving School reports 322 students on the CCD universe file.
How Irving School compares
Irving School is a growing campus on CCD: ratios and free-lunch share vs Connecticut and U.S. means.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 8.5:1 | ▼ 30% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 58.8% | ▲ 62% | 36.4% | 51.7% |
| Enrollment | 322 | top 70% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
8.5:1
Leaner classes than 94% of US schools, among the more generously staffed nationally.
322
Bigger than 36% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
58.8%
free-lunch eligible
- 62% 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
8.5:1
students per teacher
- 30% below state mean
Top 6% in Connecticut - lower ratio than 94% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
23.9%
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
11
in-school suspensions + 19 out-of-school
Suspension rate: 3.4 per 100 students. Combined in-school and out-of-school rate: 9.3 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 50.3%
African American 22.4%
White 18.0%
Two or More 8.1%
Asian 1.2%
Largest group: Hispanic or Latino at 50.3% of enrollment.
Student-body diversity index 65.8/100
Simpson diversity index - at 65.8, Irving 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 Irving School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Derby High School | Similar size | Lower economic need | Similar S:T ratio |
| Derby Middle School | Similar size | Lower economic need | Higher S:T ratio |
| Bradley School | Similar size | Lower economic need | Higher S:T ratio |
| Little Raiders University | Smaller | Lower economic need | Higher S:T ratio |
Comparisons are relative to Irving 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
Similar elementary schools in Derby
1 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 (~322 students)
Frequently asked questions about Irving School
How many students attend Irving School?
Irving School has 322 students enrolled. It is an elementary school in Derby, CT. CCD year-over-year: 306 (2022-23) → 329 (2023-24), up 23.
What is the student-teacher ratio at Irving School?
The student-teacher ratio at Irving School is 8.5:1, which is 30% lower than the Connecticut average of 12.1:1 and 46% 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 Irving School?
58.8% of students at Irving School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Irving School?
The largest demographic group at Irving School is Hispanic or Latino at 50.3% of enrollment, in Derby, CT. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 65.8/100.
What is the Resource Investment Index for Irving School?
Irving School has a Resource Investment Index of 45/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Irving School rank among public schools in Derby?
By Resource Investment Index, Irving School ranks #2 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 Irving School, Derby School District also operates Derby High School (360 students), Derby Middle School (300 students), and Bradley School (244 students). See the Derby School District district page for the complete list.