- Enrollment
- 2,615
- Students per teacher
- 17.8:1
- Resource Index
- 41/100
Elementary school (grades K-5) · Central Islip, NY
Cordello Avenue Elementary School
Federal NCES profile for Cordello Avenue Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 27/100.
2024-25 NCES dataElementary school (grades K-5)NCES 360687004253
👥 S:T ratio 51
🌟 Gifted program 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Cordello Avenue Elementary School earns 27/100 on the Resource Investment Index, with class sizes near the New York median.
- #1 of 4
- elementary schools in Central Islip · Resource Index
- 27
- Resource Index · Lower
- 12.3:1
- students per teacher
- 80.7%
- free-lunch eligible
Cordello Avenue Elementary School has class sizes near the New York median. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Cordello Avenue Elementary School ranks #1 of 4 elementary schools in Central Islip, NY.
School address
District: Central Islip Union Free School District · New York
NCES ID 360687004253 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+27 students YoY
Cordello Avenue Elementary School grew from 507 students in 2022-23 to 534 in 2023-24 (+5.3%).
Teacher FTE added 40.4 → 42.6 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+27 students YoY 360687004253 · Central Islip, NY Elementary · SMALL · TRAD
490 enr · 12.3:1 · 80.7% lunch · RII 27
Nearest enrollment peer: Central Islip Senior High School (2,615 students)
Cordello Avenue Elementary School grew from 507 students in 2022-23 to 534 in 2023-24 (+5.3%). Teacher FTE added 40.4 → 42.6 across the same CCD years. Read with this school → · District book → · New York schools → · Find another →
Cordello Avenue Elementary School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Central Islip
Central Islip Senior High School
2,615 students
- Ralph Reed Sch
Ralph Reed School
1,192 students
- Charles a Mull 997
Charles a Mulligan Elementary School
997 students
- Andrew T Morro 821
Andrew T Morrow School
821 students
- Francis J O'ne 600
Francis J O'neill School
600 students
- This school 490
Cordello Avenue Elementary School
490 students
What this shows Cordello Avenue Elementary School reports 490 students on the CCD universe file.
How Cordello Avenue Elementary School compares
Cordello Avenue Elementary School is a growing campus on CCD: ratios and free-lunch share vs New York and U.S. means.
| Metric | This school | vs New York | New York avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.3:1 | ▲ 4% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 80.7% | ▲ 44% | 56.2% | 51.7% |
| Enrollment | 490 | top 39% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.3:1
Leaner classes than 73% of US schools, among the more generously staffed nationally.
490
Bigger than 60% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
80.7%
free-lunch eligible
- 44% above the New York average of 56.2%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
12.3:1
students per teacher
- 4% above state mean
Top 64% in New York - lower ratio than 36% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
42.0%
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
$29,660
per pupil, district-wide
- above New York avg of $28,120
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
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 85.9%
African American 11.2%
Two or More 1.0%
White 0.8%
Asian 0.6%
American Indian / Alaska Native 0.4%
Largest group: Hispanic or Latino at 85.9% of enrollment.
Student-body diversity index 24.9/100
Simpson diversity index - at 24.9, Cordello Avenue Elementary School is less mixed than the New York school average of 45.5.
Programs
District finance for Central Islip Union Free School District reports $29,660 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Cordello Avenue Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Central Islip Senior High School | Larger | Similar economic need | Higher S:T ratio |
| Ralph Reed School | Larger | Similar economic need | Higher S:T ratio |
| Charles a Mulligan Elementary School | Larger | Similar economic need | Higher S:T ratio |
| Andrew T Morrow School | Larger | Similar economic need | Higher S:T ratio |
| Francis J O'neill School | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Cordello Avenue Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,192
- Students per teacher
- 14.5:1
- Resource Index
- 23/100
- Enrollment
- 997
- Students per teacher
- 15.3:1
- Resource Index
- 23/100
- Enrollment
- 821
- Students per teacher
- 13.9:1
- Resource Index
- 25/100
- Enrollment
- 600
- Students per teacher
- 14.3:1
- Resource Index
- 25/100
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 (~490 students)
Frequently asked questions about Cordello Avenue Elementary School
How many students attend Cordello Avenue Elementary School?
Cordello Avenue Elementary School has 490 students enrolled. It is an elementary school in Central Islip, NY. CCD year-over-year: 507 (2022-23) → 534 (2023-24), up 27.
What is the student-teacher ratio at Cordello Avenue Elementary School?
The student-teacher ratio at Cordello Avenue Elementary School is 12.3:1, which is 4% higher than the New York average of 11.8:1 and 22% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Cordello Avenue Elementary School?
80.7% of students at Cordello Avenue Elementary School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Cordello Avenue Elementary School?
The largest demographic group at Cordello Avenue Elementary School is Hispanic or Latino at 85.9% of enrollment, in Central Islip, NY.
What is the Resource Investment Index for Cordello Avenue Elementary School?
Cordello Avenue Elementary School has a Resource Investment Index of 27/100 (lower 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 Cordello Avenue Elementary School rank among elementary schools in Central Islip?
By Resource Investment Index, Cordello Avenue Elementary School ranks #1 of 4 elementary schools in Central Islip, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Central Islip on the city page.
What other schools are in Central Islip Union Free School District?
Besides Cordello Avenue Elementary School, Central Islip Union Free School District also operates Central Islip Senior High School (2,615 students), Ralph Reed School (1,192 students), and Charles a Mulligan Elementary School (997 students). See the Central Islip Union Free School District district page for the complete list.