John L. Costley Middle School Home

Developing Leaders One Student at a Time.

8,700+ Students
20 Schools
86 Different Colleges Our Students Were Accepted To
50+ Clubs and Extracurricular Activities
16 AP Courses Offered
26 Dual Enrollment Courses
12 NJSIAA Sports
1 Amazing Community

Our Mission

The Mission of our school is to provide a safe and enriching learning environment where the whole student is nurtured and developed. Our teachers and administrators pledge to support the academic and emotional wellbeing of each and every student.

Recent News

Hart Complex Working Remotely~Letter from Superintendent

Staff and Students of the Hart Complex(Sojourner Truth/Patrick Healy/John Costley) will work remotely until further notice. Please read the attached letter from Superintendent Hasan.

The Road Forward COVID19

The Board of Education plans to provide full-day, full-time, in-person instruction and operations for the 2021-2022 school year. The Road Forward – Health and Safety Guidance for the 2021-2022 School Year.

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