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Below Average

#2144 of 2,466 schools in NJ

John L. Costley Middle School

Middle School · East Orange School District · East Orange, NJ

An East Orange School District middle school where students score 24 points below what's typical for similar communities.

116 HAMILTON ST, East Orange, NJ 07017

  • Math 8% vs NJ 30% (2025)
  • Reading 13% vs NJ 57% (2025)
  • 12.8:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress6.1Average40%
Year-over-year improvement in student test scores.
View breakdown
Years of Data16
Annual Change+0.5 pts/yr
Data Period2009–2025
TrendStable
Academics1.9Needs Improvement35%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency8.2% (2025 NJSLA)
Reading/ELA Proficiency12.6% (2025 NJSLA)
Math vs. State Avg-29.6 pts
Reading vs. State Avg-41.7 pts
Overall Proficiency10% (2025 NJSLA, Math+ELA)
Expected (poverty-adj.)35% (model expectation from 2025 NJSLA)
vs. Expected-24.3 pts
Adjusted Percentile4th
Resources & Environment5.9Average25%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio12.8:1
District spending per student$32,491
Chronic Absenteeism23.4%

Students at John L. Costley Middle School score 10% proficient, which is below what's typical for similar communities (expected: 35%).

How we calculate scores →

2025 NJSLA proficiency

Most recent published year. School vs. NJ average.

Math Proficiency8%(2025 NJSLA)
School
State
30%(2025 NJSLA)
ELA Proficiency13%(2025 NJSLA)
School
State
57%(2025 NJSLA)

Trend

↓ Declining

Proficiency has fallen 7 points since 2021, to 10% in 2025, across a 17-year record (2009–2025).

Show all 16 years
2009
Math
39%
ELA
37%
2010
Math
35%
ELA
26%
2011
Math
43%
ELA
51%
2012
Math
44%
ELA
30%
2013
Math
26%
ELA
23%
2014
Math
9%
ELA
23%
2015
Math
9%
ELA
24%
2016
Math
8%
ELA
34%
2017
Math
11%
ELA
33%
2018
Math
7%
ELA
29%
2019
Math
7%
ELA
29%
2020*
Math
3%
ELA
31%
2021*
Math
3%
ELA
31%
2022
Math
2%
ELA
14%
2024
Math
6%
ELA
14%
2025
Math
8%
ELA
13%

Multi-year averages used by the rating model: math 15% (multi-year average, 2009-2025) · reading/ELA 26% (multi-year average, 2009-2025)

* 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 NJ state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

59.4%

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 John L. Costley Middle 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 71Very Walkable
  • Transit 60Good Transit
  • Bike 43Somewhat Bikeable
  • City Safety: High2,446/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (East Orange), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

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

Median income

$61,552

Median home value

$316,700

Median rent

$1,346/mo

College educated

21.8%

Homeownership

31.3%

Poverty rate

17.4%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 07017; this is area context, not an attendance boundary.

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Sojourner Truth Middle SchoolEnrollment path unverified4.56–80.0 mi262Compare →
Patrick F. Healy Middle SchoolEnrollment path unverified3.76–80.1 mi329Compare →
Rosa Parks Community SchoolEnrollment path unverified8.53–71.2 mi538Compare →
Pride Academy Charter SchoolCharter · enrollment unverified3.45–81.4 mi297Compare →

Distance is proximity only; it is not attendance eligibility.

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

Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.

East Orange School District

Schools in district
20
Rank in district
#15 of 20
District spending per student
$32,491NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
19.3%Census SAIPE · 2024

John L. Costley Middle School is listed in East Orange School District; a district label does not verify attendance for an address.

About John L. Costley Middle School

John L. Costley Middle School is a public middle school in East Orange, NJ, part of East Orange School District, serving approximately 320 students in grades 6th-8th with a 12.8:1 student-teacher ratio. It holds a MySchoolScout rating of 4.6 out of 10 and ranks #2,144 of 2,466 schools in NJ.

State assessment records show 15% math proficiency (multi-year average, 2009-2025) and 26% reading/ELA proficiency (multi-year average, 2009-2025).

Frequently asked questions

Common questions about John L. Costley Middle School

What grades does John L. Costley Middle School serve?

John L. Costley Middle School serves students in grades 6th through 8th.

How many students attend John L. Costley Middle School?

John L. Costley Middle School has an enrollment of approximately 320 students.

What is the student-teacher ratio at John L. Costley Middle School?

The student-teacher ratio at John L. Costley Middle School is 12.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does John L. Costley Middle School rank in NJ?

John L. Costley Middle School ranks #2,144 of 2,466 schools in NJ.

What is John L. Costley Middle School's MySchoolScout rating?

John L. Costley Middle School has a current MySchoolScout rating of 4.6 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 John L. Costley Middle School?

Based on loaded state assessment records, John L. Costley Middle School has 15% math proficiency (multi-year average, 2009-2025) and 26% reading/ELA proficiency (multi-year average, 2009-2025).

Is John L. Costley Middle School a charter school?

No, John L. Costley Middle School is not a charter school. It is a traditional public school operated by the local school district.

Is John L. Costley Middle School a Title I school?

No, John L. Costley Middle School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for John L. Costley Middle School?

59.4% of students at John L. Costley Middle 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
6th – 8th
Enrollment
320
Student-Teacher Ratio
12.8:1
Teachers (FTE)
25
Type
regular
Setting
Large Suburb
County
Essex County
Chronic Absenteeism (SY 2022-23)
23.4%
Area population (ZIP 07017)
40,809
Area average commute
37.9 min
Area median age
36.2
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 · 2025 NJSLA · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 NJSLA. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2025 NJSLA · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 NJSLA. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
State assessments · 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 07017; this does not measure the attendance area.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24

About our data · How we calculate scores

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