Skip to main content

Average

#2522 of 4,742 schools in NY

Cordello Avenue Elementary School

Elementary School · Central Islip Union Free School District · Central Islip, NY

A Central Islip Union Free School District elementary school where students score 23 points below what's typical for similar communities.

51 CORDELLO AVE, Central Islip, NY 11722

  • Math 16% proficient (2022)
  • Reading 23% proficient (2022)
  • 12.7:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress7.3Very Good50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-0.71 pts/yr
Data Period2009–2022
TrendStable
Academics2.8Needs Improvement30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency16.3% (2022 EdFacts)
Reading/ELA Proficiency23.3% (2022 EdFacts)
Math vs. State Avg-37.2 pts
Reading vs. State Avg-37.6 pts
Overall Proficiency20% (2022 EdFacts, Math+ELA)
Expected (poverty-adj.)43% (model expectation from 2022 EdFacts)
vs. Expected-22.9 pts
Adjusted Percentile10th
Resources & Environment8.2Excellent20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio12.7:1
District spending per student$30,304
Chronic Absenteeism26.8%

Students at Cordello Avenue Elementary School score 20% proficient, which is below what's typical for similar communities (expected: 43%).

How we calculate scores →

2022 EdFacts proficiency

Most recent published year. School vs. NY average.

Math Proficiency16%(2022 EdFacts)
School
State
Not reported(2022 EdFacts)
ELA Proficiency23%(2022 EdFacts)
School
State
Not reported(2022 EdFacts)

Trend

↓ Declining

Proficiency has fallen 23 points since 2019, to 20% in 2022, across a 14-year record (2009–2022).

Show all 14 years
2009
Math
80%
ELA
59%
2010
Math
44%
ELA
40%
2011
Math
35%
ELA
33%
2012
Math
7%
ELA
12%
2013
Math
10%
ELA
9%
2014
Math
12%
ELA
10%
2015
Math
25%
ELA
18%
2016
Math
27%
ELA
21%
2017
Math
35%
ELA
28%
2018
Math
46%
ELA
39%
2019
Math
46%
ELA
39%
2020*
Math
31%
ELA
43%
2021*
Math
30%
ELA
43%
2022
Math
16%
ELA
23%

Multi-year averages used by the rating model: math 32% (multi-year average, 2009-2022) · reading/ELA 33% (multi-year average, 2009-2022)

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Based on 36 test records from NY state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

76.6%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Cordello Avenue Elementary School sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the New York map →

Getting around & local context

  • Walk 59Somewhat Walkable
  • Bike 45Somewhat Bikeable
  • County Safety: Low3/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · county context, not school-level safety or attendance eligibility. Source details

Source period: 2024. A newer release may be available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$110,365

Median home value

$407,100

Median rent

$2,094/mo

College educated

18.4%

Homeownership

77%

Poverty rate

9.3%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 11722; this is area context, not an attendance boundary.

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Our Lady of Guadalupe EastPrivate · tuition5.2privatePK–40.3 mi84Compare →
Anthony Alfano Elementary SchoolEnrollment path unverified7.4PK–60.6 mi497Compare →
Charles a Mulligan Elementary SchoolEnrollment path unverified5.1K–61.0 mi963Compare →
Francis J O'neill SchoolEnrollment path unverified6.7K–61.2 mi592Compare →

Distance is proximity only; it is not attendance eligibility.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Public and private scores come from different models and are shown side by side, not blended into one ranking.

Central Islip Union Free School District

Schools in district
8
Rank in district
#6 of 8
District spending per student
$30,304NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
12.6%Census SAIPE · 2024

Cordello Avenue Elementary School is listed in CENTRAL ISLIP UNION FREE SCHOOL DISTRICT; a district label does not verify attendance for an address.

About Cordello Avenue Elementary School

Cordello Avenue Elementary School is a public elementary school in Central Islip, NY, part of Central Islip Union Free School District, serving approximately 534 students in grades Kindergarten-6th with a 12.7:1 student-teacher ratio. It holds a MySchoolScout rating of 6.1 out of 10 and ranks #2,522 of 4,742 schools in NY. State assessment records show 32% math proficiency (multi-year average, 2009-2022) and 33% reading/ELA proficiency (multi-year average, 2009-2022).

Frequently asked questions

Common questions about Cordello Avenue Elementary School

What grades does Cordello Avenue Elementary School serve?

Cordello Avenue Elementary School serves students in grades Kindergarten through 6th.

How many students attend Cordello Avenue Elementary School?

Cordello Avenue Elementary School has an enrollment of approximately 534 students.

What is the student-teacher ratio at Cordello Avenue Elementary School?

The student-teacher ratio at Cordello Avenue Elementary School is 12.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Cordello Avenue Elementary School rank in NY?

Cordello Avenue Elementary School ranks #2,522 of 4,742 schools in NY.

What is Cordello Avenue Elementary School's MySchoolScout rating?

Cordello Avenue Elementary School has a current MySchoolScout rating of 6.1 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Cordello Avenue Elementary School?

Based on loaded state assessment records, Cordello Avenue Elementary School has 32% math proficiency (multi-year average, 2009-2022) and 33% reading/ELA proficiency (multi-year average, 2009-2022).

Is Cordello Avenue Elementary School a charter school?

No, Cordello Avenue Elementary School is not a charter school. It is a traditional public school operated by the local school district.

Is Cordello Avenue Elementary School a Title I school?

No, Cordello Avenue Elementary School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Cordello Avenue Elementary School?

76.6% of students at Cordello Avenue Elementary School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
Kindergarten – 6th
Enrollment
534
Student-Teacher Ratio
12.7:1
Teachers (FTE)
42
Type
regular
Setting
Large Suburb
County
Suffolk County
Chronic Absenteeism (SY 2022-23)
26.8%
Area population (ZIP 11722)
38,443
Area average commute
27.7 min
Area median age
34.1
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2022 EdFacts · Low confidence
  • Older source: 2022 EdFacts. Use as historical context.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2022 EdFacts · Low confidence
  • Older source: 2022 EdFacts. Use as historical context.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 11722; this does not measure the attendance area.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2022; directory SY 2023–24

About our data · How we calculate scores

Related reading

Get school insights in your inbox

New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.

We respect your privacy. Unsubscribe at any time.