Home > New York > Suffolk County

Central Islip Union Free School District

Item: Central Islip Union Free School District
Rating: 2
Author: Public School Review

50 Wheeler Rd
Central Islip, NY 11722-9027

( shown in map)

Bottom 50%

Tel: (631) 348-5001

www.centralislip.k12.ny.us

Top Rankings

Central Islip Union Free School District ranks among the top 20% of public school district in New York for:

Overview

This School District

This State (NY)

# Schools

8 Schools

4,819 Schools

# Students

7,677 Students

2,508,712 Students

# Teachers

535 Teachers

217,359 Teachers

Student-Teacher Ratio

14:1

Student By Grade

View Data

Comparison of Students By Grade Trends
Grade	Central Islip Union Free School District	New York
Pre-K	108	57
Kind	505	155
1	540	160
2	579	164
3	525	160
4	514	163
5	547	164
6	576	166
7	585	168
8	571	171
9	603	185
10	592	182
11	640	173
12	734	168
Grade Not Listed	58	33

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

District Rank

Central Islip Union Free School District, which is ranked #908 of all 1,009 school districts in New York (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.

The school district's graduation rate of 80% has decreased from 85% over five school years.

This School District

State Average (NY)

#910 out of 1017 school districts
(Bottom 50%)

View Data

Overall School District Rank Trends
Year	Central Islip Union Free School District
2023	#910
2022	#913
2021	#698
2019	#733
2018	#736
2017	#741
2016	#736
2015	#850
2014	#883
2013	#835
2012	#842

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

34%

52%

View Data

Math Proficiency Trends
Year	Central Islip Union Free School District	New York
2023	34%	52%
2022	29%	46%
2021	36%	55%
2019	36%	54%
2018	34%	52%
2017	30%	50%
2016	31%	49%
2015	26%	48%
2014	14%	41%
2013	18%	39%
2012	39%	69%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

31%

49%

View Data

Reading and Language Arts Proficiency Trends
Year	Central Islip Union Free School District	New York
2022	31%	49%
2021	46%	62%
2019	36%	52%
2018	34%	52%
2017	31%	47%
2016	30%	46%
2015	22%	40%
2014	16%	37%
2013	21%	39%
2012	39%	60%
2011	37%	58%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

65%

78%

View Data

Science Proficiency Trends
Year	Central Islip Union Free School District	New York
2022	65%	78%
2021	61%	84%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

80%

87%

View Data

Graduation Rate Trends
Year	Central Islip Union Free School District	New York
2023	80%	87%
2022	86%	87%
2021	88%	85%
2020	83%	83%
2019	78%	83%
2018	85%	82%
2017	81%	82%
2016	82%	81%
2015	66%	79%
2014	69%	78%
2013	66%	78%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Students by Ethnicity:

0.32

0.72

View Data

Comparison of Diversity Score Trends
Year	Central Islip Union Free School District	New York
2023	0.32	0.73
2022	0.33	0.72
2021	0.36	0.72
2020	0.38	0.71
2019	0.38	0.71
2018	0.40	0.71
2017	0.40	0.71
2016	0.42	0.70
2015	0.44	0.70
2014	0.47	0.69
2013	0.50	0.69
2012	0.52	0.68
2011	0.65	0.68
2010	0.53	0.66
2009	0.55	0.66
2008	0.57	0.66
2007	0.58	0.65
2006	0.60	0.64
2005	0.62	0.64
2004	0.64	0.63
2003	0.66	0.62
2002	0.67	0.62
2001	0.67	0.63
2000	0.68	0.62
1999	0.68	0.62
1998	0.68	0.61
1997	0.68	0.61
1996	0.69	0.60
1995	0.69	0.60
1994	0.69	0.60
1993	0.69	0.59

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% American Indian

n/a

% Asian

10%

View Data

Asian Student Percentage Comparison Over Years (1993-2023)
Year	Central Islip Union Free School District	New York
2023	2%	10%
2022	2%	10%
2021	2%	10%
2020	3%	9%
2019	3%	9%
2018	2%	9%
2017	2%	9%
2016	2%	9%
2015	2%	9%
2014	3%	9%
2013	3%	9%
2012	4%	9%
2011	3%	8%
2010	4%	8%
2009	3%	9%
2008	3%	8%
2007	3%	8%
2006	3%	7%
2005	4%	7%
2004	4%	7%
2003	4%	6%
2002	4%	6%
2001	4%	7%
2000	3%	6%
1999	3%	6%
1998	4%	5%
1997	3%	5%
1996	3%	5%
1995	3%	5%
1994	4%	5%
1993	2%	5%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Hispanic

82%

30%

View Data

Hispanic Student Percentage Comparison Over Years (1993-2023)
Year	Central Islip Union Free School District	New York
2023	81%	29%
2022	81%	29%
2021	79%	28%
2020	77%	27%
2019	77%	27%
2018	75%	26%
2017	75%	26%
2016	73%	26%
2015	72%	25%
2014	69%	25%
2013	67%	24%
2012	65%	23%
2011	50%	22%
2010	63%	22%
2009	61%	21%
2008	59%	21%
2007	57%	21%
2006	55%	20%
2005	51%	20%
2004	48%	19%
2003	45%	19%
2002	43%	19%
2001	41%	18%
2000	40%	18%
1999	40%	18%
1998	38%	18%
1997	37%	18%
1996	37%	17%
1995	36%	17%
1994	34%	17%
1993	34%	16%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Black

13%

16%

View Data

Black Student Percentage Comparison Over Years (1993-2023)
Year	Central Islip Union Free School District	New York
2023	14%	16%
2022	14%	16%
2021	15%	17%
2020	16%	17%
2019	16%	17%
2018	18%	17%
2017	18%	17%
2016	20%	18%
2015	21%	18%
2014	22%	18%
2013	23%	18%
2012	24%	18%
2011	27%	19%
2010	27%	19%
2009	29%	19%
2008	29%	20%
2007	30%	19%
2006	31%	20%
2005	34%	20%
2004	34%	20%
2003	35%	20%
2002	35%	20%
2001	36%	20%
2000	36%	21%
1999	35%	21%
1998	34%	20%
1997	35%	20%
1996	34%	20%
1995	32%	20%
1994	32%	20%
1993	32%	20%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% White

40%

View Data

White Student Percentage Comparison Over Years (1993-2023)
Year	Central Islip Union Free School District	New York
2023	2%	40%
2022	2%	41%
2021	4%	41%
2020	4%	43%
2019	4%	43%
2018	5%	44%
2017	5%	44%
2016	5%	44%
2015	5%	45%
2014	6%	46%
2013	7%	47%
2012	7%	48%
2011	20%	49%
2010	6%	51%
2009	6%	51%
2008	8%	51%
2007	9%	52%
2006	10%	53%
2005	11%	53%
2004	13%	54%
2003	15%	55%
2002	17%	55%
2001	18%	55%
2000	21%	55%
1999	22%	55%
1998	24%	57%
1997	25%	57%
1996	26%	58%
1995	29%	58%
1994	30%	58%
1993	31%	59%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Hawaiian

n/a

% Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2022-2023)
Year	Central Islip Union Free School District	New York
2023	1%	4%
2022	1%	3%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

All Ethnic Groups

District Revenue and Spending

The revenue/student of $30,441 in this school district is less than the state median of $31,307. The school district revenue/student has stayed relatively flat over four school years.

The school district's spending/student of $27,532 is less than the state median of $32,183. The school district spending/student has stayed relatively flat over four school years.

This School District

This State (NY)

Total Revenue

$234 MM

$78,541 MM

View Data

Total Revenues Trends
Year	Central Islip Union Free School District	New York
2023	$234 MM	$36 MM
2022	$233 MM	$36 MM
2021	$234 MM	$36 MM
2020	$233 MM	$36 MM
2019	$230 MM	$35 MM
2018	$221 MM	$34 MM
2017	$214 MM	$33 MM
2016	$209 MM	$32 MM
2015	$169 MM	$29 MM
2014	$199 MM	$31 MM
2012	$183 MM	$29 MM
2011	$173 MM	$29 MM
2010	$169 MM	$29 MM
2009	$177 MM	$29 MM
2008	$161 MM	$28 MM
2007	$151 MM	$27 MM
2006	$137 MM	$25 MM
2005	$130 MM	$24 MM
2004	$124 MM	$22 MM
2003	$121 MM	$21 MM
2002	$114 MM	$20 MM
2001	$108 MM	$19 MM
2000	$102 MM	$18 MM
1999	$93 MM	$17 MM
1998	$87 MM	$16 MM
1997	$76 MM	$15 MM
1996	$74 MM	$15 MM
1995	$69 MM	$14 MM

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Spending

$211 MM

$80,737 MM

View Data

Total Expenditure Trends
Year	Central Islip Union Free School District	New York
2023	$211 MM	$21 MM
2022	$216 MM	$22 MM
2021	$211 MM	$21 MM
2020	$216 MM	$22 MM
2019	$222 MM	$35 MM
2018	$221 MM	$34 MM
2017	$222 MM	$33 MM
2016	$218 MM	$31 MM
2015	$179 MM	$30 MM
2014	$193 MM	$29 MM
2012	$176 MM	$28 MM
2011	$168 MM	$30 MM
2010	$179 MM	$30 MM
2009	$171 MM	$28 MM
2008	$155 MM	$27 MM
2007	$148 MM	$26 MM
2006	$136 MM	$25 MM
2005	$132 MM	$24 MM
2004	$133 MM	$23 MM
2003	$138 MM	$24 MM
2002	$122 MM	$23 MM
2001	$108 MM	$21 MM
2000	$102 MM	$19 MM
1999	$97 MM	$17 MM
1998	$87 MM	$16 MM
1997	$77 MM	$15 MM
1996	$72 MM	$16 MM
1995	$68 MM	$15 MM

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Revenue / Student

$30,441

$31,307

View Data

Average Revenue Per Student Trends
Year	Central Islip Union Free School District	New York
2023	$30,217	$43,745
2022	$30,128	$44,052
2021	$31,176	$45,286
2020	$30,128	$44,052
2019	$29,866	$41,967
2018	$29,103	$37,783
2017	$28,758	$37,501
2016	$28,979	$36,257
2015	$23,654	$23,859
2014	$29,353	$33,260
2012	$28,002	$25,935
2011	$26,251	$26,364
2010	$26,005	$23,859
2009	$27,568	$21,692
2008	$26,017	$20,453
2007	$24,313	$18,556
2006	$21,652	$17,116
2005	$20,109	$16,764
2004	$18,397	$16,002
2003	$18,276	$14,881
2002	$17,482	$13,663
2001	$16,576	$12,690
2000	$16,313	$11,736
1999	$15,663	$11,068
1998	$15,131	$10,435
1997	$13,853	$9,995
1995	$13,307	$9,825
1992	$12,324	$8,101

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Spending / Student

$27,532

$32,183

View Data

Average Expenditure Per Student Trends
Year	Central Islip Union Free School District	New York
2023	$27,329	$25,493
2022	$27,852	$26,731
2021	$28,197	$26,391
2020	$27,852	$26,731
2019	$28,899	$42,427
2018	$29,136	$38,270
2017	$29,953	$36,628
2016	$30,161	$34,588
2015	$25,083	$24,841
2014	$28,513	$31,853
2012	$26,972	$25,203
2011	$25,400	$27,087
2010	$27,576	$24,841
2009	$26,576	$21,514
2008	$24,997	$20,169
2007	$23,826	$18,076
2006	$21,426	$17,357
2005	$20,489	$16,650
2004	$19,763	$16,888
2003	$20,893	$16,638
2002	$18,680	$15,352
2001	$16,557	$13,878
2000	$16,215	$12,449
1999	$16,290	$11,246
1998	$15,213	$10,823
1997	$14,186	$10,248
1995	$13,108	$9,858
1992	$11,511	$8,716

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Best Central Islip Union Free School District Public Schools (2025-26)

School
(Math and Reading Proficiency)

Location

Quick Facts

Rank: #11.

Central Islip Senior High School

(Math: 50% | Reading: 75-79%)
:

Top 30%

Add to Compare

85 Wheeler Rd
Central Islip, NY 11722
(631) 348-5079

Gr: 9-12 | 2,597 students Student-teacher ratio: 17:1 Minority enrollment: 98%

Rank: #22.

Francis J O'neill School

(Math: 44% | Reading: 41%)
:

Bottom 50%

Add to Compare

44 E Cherry St
Central Islip, NY 11722
(631) 348-5060

Gr: K-6 | 592 students Student-teacher ratio: 13:1 Minority enrollment: 98%

Rank: #33.

Andrew T Morrow School

(Math: 37% | Reading: 32%)
:

Bottom 50%

Add to Compare

299 Sycamore Ave
Islandia, NY 11749
(631) 348-5037

Gr: K-8 | 794 students Student-teacher ratio: 13:1 Minority enrollment: 97%

Rank: #44.

Marguerite L Mulvey School

(Math: 35% | Reading: 35%)
:

Bottom 50%

Add to Compare

44 E Cherry St
Central Islip, NY 11722
(631) 348-5059

Gr: K-6 | 532 students Student-teacher ratio: 13:1 Minority enrollment: 99%

Rank: #55.

Anthony Alfano Elementary School

(Math: 40% | Reading: 27%)
:

Bottom 50%

Add to Compare

50 Wheeler Rd
Central Islip, NY 11722
(631) 348-5139

Gr: PK-6 | 497 students Student-teacher ratio: 13:1 Minority enrollment: 97%

Rank: #66.

Ralph Reed School

(Math: 26% | Reading: 29%)
:

Bottom 50%

Add to Compare

200 Half Mile Rd
Central Islip, NY 11722
(631) 348-5066

Gr: 7-8 | 1,168 student Student-teacher ratio: 13:1 Minority enrollment: 98%

Rank: #77.

Charles A Mulligan Elementary School

(Math: 33% | Reading: 21%)
:

Bottom 50%

Add to Compare

1 Broadway
Central Islip, NY 11722
(631) 348-5041

Gr: K-6 | 963 students Student-teacher ratio: 15:1 Minority enrollment: 98%

Rank: #88.

Cordello Avenue Elementary School

(Math: 27% | Reading: 23%)
:

Bottom 50%

Add to Compare

51 Cordello Ave
Central Islip, NY 11722
(631) 348-4189

Gr: K-6 | 534 students Student-teacher ratio: 12:1 Minority enrollment: 99%

Frequently Asked Questions

How many schools belong to Central Islip Union Free School District?

Central Islip Union Free School District manages 8 public schools serving 7,677 students.

What is the rank of Central Islip Union Free School District?

Central Islip Union Free School District is ranked #908 out of 1,009 school districts in New York (bottom 50%) based off of combined math and reading proficiency testing data for the 2022-2023 school year. This district ranks in the top 20% of New York school districts for: Largest student body (number of students) (Top 1%)

What is the racial composition of students in Central Islip Union Free School District?

82% of Central Islip Union Free School District students are Hispanic, 13% of students are Black, 2% of students are White, 2% of students are Two or more races, and 1% of students are Asian.

What is the student/teacher ratio of Central Islip Union Free School District?

Central Islip Union Free School District has a student/teacher ratio of 14:1, which is higher than the New York state average of 11:1.

What is Central Islip Union Free School District's spending/student ratio?

The school district's spending/student of $27,532 is less than the state median of $32,183. The school district spending/student has stayed relatively flat over four school years.

Recent Articles

September 05, 2025

School Choice vs. Neighborhood Schools: Key Factors

Explore school choice vs. neighborhood schools in 2025. Learn key factors parents should weigh when deciding the best fit for their child.

September 05, 2025

Best School Match 2025: Public vs Charter vs Magnet

Compare 2025 public, charter, and magnet school options with updated data, trends, and strategies to find the best fit.

September 05, 2025

Public School Boundaries and Equity in 2025

Explore how public school boundaries shape access, equity, and opportunity for students in 2025. Learn the impact on families and education policy.

Quick Facts (2025-26)

District size: 8 schools
Grades: PK-12
Enrollment: 7,677 students
Student-Teacher Ratio: 14:1
Minority Enrollment: 98%
: 80% (Btm 50% in NY)
: Bottom 50%
: 34% (Btm 50%)
: 31% (Btm 50%)
: 65% (Btm 50%)
Source: National Center for Education Statistics (NCES), NY Dept. of Education