D
John L. Costley Middle School
PublicMiddleGrades 6–8
116 Hamilton St, East Orange, NJ 07017 · (973) 266-5660 · Part of East Orange City School District
Students
334
Students per teacher
13:1
Free or reduced lunch
10%
Setting
Suburb
Grades
6–8
What stands out about John L. Costley Middle School
- School Grade D: test results are near the bottom of the state
- Math proficiency 22 pts below the state
- Reading / language arts 16 pts below the state
- Enrollment down 25.6% since 2020
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency3%
State average 25.4%
Reading / language arts31%
State average 47.3%
Location
Directions ↗
116 Hamilton St, East Orange
Students
Enrollment by grade
Grade 7218
Grade 8116
Enrollment over time
449’20
328’21
333’22
320’23
334’24
Down 25.6% since 2020.
Who goes here
Black 70%Hispanic 23%White 4%Asian <1%Native Hawaiian/Pacific Islander <1%Two or more races <1%American Indian/Alaska Native <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention John L. Costley Middle School.
Other schools in East Orange City School District
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.