John L. Costley Middle School
East Orange School District
116 HAMILTON ST, EAST ORANGE, NJ, 07017
Enrollment
320
Student-Teacher Ratio
11.5:1
Teachers
28
School Type
Regular School
Diversity Index
0.45
Less diverse
Contact Information
SchoolZone Effectiveness Score
How we rateThis school achieves lower outcomes than expected. Additional resources and support could help improve results.
Score Breakdown
School Ratings
Is this your school?
Claim this profile to update information, add programs, and keep parents informed.
Claim This School📚 Supplies for Middle School
Binder & Divider Set
Stay organized with a sturdy binder and tab dividers.
$10–$20
Shop on Amazon →Chapter Books (Ages 8–12)
Adventure and learning for growing readers.
$6–$12
Shop on Amazon →STEM Building Kit
Hands-on engineering and building sets for curious minds.
$20–$50
Shop on Amazon →As an Amazon Associate, SchoolZone.ai earns from qualifying purchases.
Helpful Resources
Recommended services for parents and students
Online Tutoring
Connect your child with expert tutors for personalized learning support.
Learn More →School Supplies
Shop top-rated school supplies and backpacks at great prices.
Learn More →Homes Near Schools
Find homes for sale in top-rated school zones near you.
Learn More →Test Prep Services
Prepare for standardized tests with proven study programs.
Learn More →