School Overview
John L. Costley Middle School, located on Hamilton Street in East Orange, New Jersey, serves as a core educational institution within the East Orange School District. As a middle school, it focuses on the critical transitional years of early adolescence, providing a structured environment designed to support students as they move from elementary education to the more rigorous academic expectations of high school. The school plays an integral role in the local community, emphasizing the development of foundational academic skills alongside the social-emotional growth necessary for student success.

Like many schools within the East Orange district, John L. Costley Middle School works to address the diverse needs of its student population through a curriculum aligned with state standards. The school environment typically emphasizes fostering a culture of accountability and community engagement, encouraging students to participate in extracurricular activities and academic programs that promote college and career readiness. By focusing on both intellectual development and personal character, the institution strives to prepare its students to become productive, responsible citizens within the broader New Jersey educational landscape.
333
Total Students
27.9
Full-Time Teachers
11.9
Student/Teacher Ratio
9.9%
Free/Reduced Lunch
Student Demographics

Student Demographics Data Table

Student Demographics for John L. Costley Middle School
Demographic Student Count
White2
Hispanic64
Black262
Two or More3
American Indian1
Pacific Islander1
  • Black
    262 (78.7 %)
  • Hispanic
    64 (19.2 %)
  • Two or More
    3 (0.9 %)
  • White
    2 (0.6 %)
  • American Indian
    1 (0.3 %)
  • Pacific Islander
    1 (0.3 %)
School Location
School Details
Status: Open
School Level: Middle School
School Type: Regular School
Charter Status:* Public Non-Charter
Virtual Instruction: No virtual instruction
Shared Time Status: No
District: East Orange School District
Phone: (973)266-5660
Website: http://nj02207379.schoolwires.net/Domain/228
Grade Range: 6th - 8th
Total Students: 333
Full-Time Teachers (FTE): 27.9
Pupil/Teacher Ratio: 11.9
NSLP Participation:1 Yes under Community Eligibility Option (CEO)
Qualified Free Lunch: 32
Qualified Reduced Lunch: 1
Grades Taught
Grade 7 139
Grade 8 148
Ungraded 46

Grades Taught Data Table

Grades Taught and Student Counts for John L. Costley Middle School
Grade Student Count
Grade 7139
Grade 8148
Ungraded46
Gender Ratio

Student Gender Ratio Data Table

Student Gender Ratio for John L. Costley Middle School
Gender Student Count Percentage
Female16248.6%
Male17151.4%
Nearby Middle Schools (Within 10 Miles)