School overview
At a glance
Reported students
334
NCES CCD 2024–25, where reported
Teachers (FTE)
24.9
NCES CCD 2024–25
Student–teacher ratio
13.4:1
Calculated, not a class-size measure
Grades served
06–08
NCES preliminary directory 2025–26
School benchmarks
New Jersey middle enrollment
21th percentile
Compared with 440 same-level schools reporting enrollment.
District median enrollment
379
John L. Costley Middle School: 334 reported students.
State peer staffing position
91th percentile
13.4:1 reported; state peer median 10.8:1. Ratio is not class size.
Profile interpretation
What the reported data says about John L. Costley Middle School
John L. Costley Middle School is a public middle school serving grades 06–08 in EAST ORANGE. It is one of 19 current school records connected to East Orange School District. NCES reports 334 students for 2024–25.
Among 440 middle schools in New Jersey with comparable records, this school is smaller than the reported median of 543 students. Its enrollment is at approximately the 21th percentile for that peer group. Size describes the campus, not instructional quality.
The reported student–teacher ratio is 13.4:1, above the New Jersey median of 10.8:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.
The two largest reported race and ethnicity groups are Black (70.4%) and Hispanic or Latino (22.8%). English learners represent 10.2% of enrollment. Students served under IDEA represent 20.9%. These figures help families understand who the school serves; they are not rating inputs.
Turn data into a school visit
Questions worth asking John L. Costley Middle School
- 1How do the reported 13.4:1 student–teacher ratio and 24.9 teacher FTE translate into actual class sizes by grade?
- 2Which advanced, gifted, career, arts, and computer-science courses are available this year, and how do students qualify?
- 3How are the school's 2 counselor FTE allocated across grades and student needs?
- 4Does community eligibility provide breakfast and lunch to every enrolled student, and are summer meals available?
Student context
Enrollment needs
- English learners
- 10.2%
- Students with disabilities
- 20.9%
- Free/reduced-price lunch
- 9.9%
- Lunch program
- Yes under Community Eligibility Option (CEO)
People available to students
Support staff
- Counselors (FTE)
- 2
- Nurses (FTE)
- 2
- Psychologists (FTE)
- 1
- Social workers (FTE)
- 2
Student demographics
Race and ethnicity share of reported enrollment
- White4.5%
- Hispanic22.8%
- Black70.4%
- Asian0.9%
- American Indian / Alaska Native0.3%
- Native Hawaiian / Pacific Islander0.6%
- Multiracial0.6%
Race/ethnicity: NCES CCD 2024–25 where reported, otherwise CRDC 2021–22. English learner and disability context: CRDC 2021–22. Privacy rules can produce missing values.
Learning opportunities
Programs reported by the school
Advanced Placement
Not reported
Gifted and talented
Not reported as offered
Computer science
Not reported
Program availability is from CRDC 2021–22 and can change. Confirm current courses and eligibility with the school.
Continue exploring
Other schools in East Orange School District
Start with campuses at the same school level or with similar reported enrollment.
Patrick F. Healy Middle School
Middle · Grades 06–08
322 reported students
Sojourner Truth Middle School
Middle · Grades 06–08
264 reported students
Dionne Warwick Institute
Elementary · Grades PK–05
379 reported students
Whitney E. Houston Academy
Elementary · Grades PK–08
385 reported students
Ecole Toussaint Louverture
Elementary · Grades PK–05
269 reported students
Gordon Parks Academy
Elementary · Grades PK–02
268 reported students