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.

Total Classroom Teachers (11-12)

5 teachers

View Data

Total Classroom Teachers Trends Over Years (2009-2012)
Year	Costello Prep
2012	5
2011	7
2010	9
2009	2

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

Download Full School Data: Full School Dataset XML | Full School 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.

School Rankings

This School

State Level (NJ)

Student-Teacher Ratio

n/a

11:1

View Data

Student-Teacher Ratio Comparison Over Years (2009-2011)
Year	Costello Prep	New Jersey	Office Of Education Juvenile Justice Commission School District
2011	4:1	15:1	5:1
2010	3:1	14:1	4:1
2009	10:1	12:1	12:1

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

Download Full School Data: Full School Dataset XML | Full School 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

(21-22)

n/a

Asian

(21-22)

n/a

10%

Hispanic

(21-22)

22%

32%

View Data

Hispanic Student Percentage Comparison Over Years (2008-2022)
Year	Costello Prep	New Jersey	Office Of Education Juvenile Justice Commission School District
2022	22%	32%	25%
2021	33%	31%	26%
2020	29%	29%	26%
2019	29%	29%	26%
2018	11%	27%	23%
2017	11%	27%	23%
2013	13%	23%	20%
2011	16%	22%	19%
2010	4%	21%	16%
2009	13%	20%	18%
2008	27%	19%	19%

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

Download Full School Data: Full School Dataset XML | Full School 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

(21-22)

78%

15%

View Data

Black Student Percentage Comparison Over Years (2008-2022)
Year	Costello Prep	New Jersey	Office Of Education Juvenile Justice Commission School District
2022	78%	15%	66%
2021	67%	15%	66%
2020	43%	15%	65%
2019	43%	15%	65%
2018	89%	16%	67%
2017	89%	16%	67%
2013	83%	16%	71%
2011	84%	16%	73%
2010	89%	17%	74%
2009	83%	17%	71%
2008	68%	17%	72%

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

Download Full School Data: Full School Dataset XML | Full School 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

(21-22)

n/a

40%

View Data

White Student Percentage Comparison Over Years (2008-2020)
Year	Costello Prep	New Jersey	Office Of Education Juvenile Justice Commission School District
2020	28%	43%	9%
2019	28%	43%	9%
2013	4%	50%	8%
2009	4%	54%	10%
2008	5%	55%	8%

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

Download Full School Data: Full School Dataset XML | Full School 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

(21-22)

n/a

Two or more races

(21-22)

n/a

0.72

View Data

Diversity Score Comparison Over Years (2008-2022)
Year	Costello Prep	New Jersey	Office Of Education Juvenile Justice Commission School District
2022	0.35	0.71	0.50
2021	0.45	0.71	0.50
2020	0.66	0.70	0.51
2019	0.66	0.70	0.51
2018	0.20	0.70	0.49
2017	0.20	0.70	0.49
2013	0.30	0.67	0.46
2011	0.27	0.65	0.44
2010	0.20	0.65	0.42
2009	0.30	0.64	0.46
2008	0.47	0.63	0.45

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

Download Full School Data: Full School Dataset XML | Full School 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.

(10-11)

<50%

86%

Eligible for (21-22)

67%

30%

View Data

Free Lunch Eligibility Comparison Over Years (2013-2022)
Year	Costello Prep	New Jersey	Office Of Education Juvenile Justice Commission School District
2022	67%	30%	56%
2021	80%	32%	56%
2020	79%	33%	59%
2019	79%	33%	59%
2018	66%	33%	60%
2017	66%	33%	60%
2013	87%	31%	89%

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

Download Full School Data: Full School Dataset XML | Full School 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.

School Statewide Testing

View Education Department Test Scores

School District Name

Office Of Education Juvenile Justice Commission School District

Source: National Center for Education Statistics (NCES), NJ Dept. of Education

Profile last updated: 02/09/2025

Frequently Asked Questions

What is the graduation rate of Costello Prep?

The graduation rate of Costello Prep is 50%, which is lower than the New Jersey state average of 86%.

How many students attend Costello Prep?

9 students attend Costello Prep.

What is the racial composition of the student body?

78% of Costello Prep students are Black, and 22% of students are Hispanic.

What grades does Costello Prep offer ?

Costello Prep offers enrollment in grades 8-11 (No virtual instruction).

What school district is Costello Prep part of?

Costello Prep is part of Office Of Education Juvenile Justice Commission School District.

School Reviews

Review Costello Prep. Reviews should be a few sentences in length. Please include any comments on:

Quality of academic programs, teachers, and facilities
Availability of music, art, sports and other extracurricular activities

Recent Articles

October 26, 2025

How Public Schools Support Students on Free / Reduced-Lunch Programs

Explore how U.S. public schools support students eligible for free or reduced-price lunch through nutrition, academic, and wraparound services in 2025.