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For the 2025-26 school year, there are 5 public schools serving 4,382 students in Marlboro, NJ (there are , serving 577 private students). 88% of all K-12 students in Marlboro, NJ are educated in public schools (compared to the NJ state average of 86%).

The top ranked public schools in Marlboro, NJ are Frank Defino Central Elementary School, Frank J. Dugan Elementary School and Marlboro Elementary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Marlboro, NJ public schools have an average math proficiency score of 61% (versus the New Jersey public school average of 38%), and reading proficiency score of 67% (versus the 49% statewide average). Schools in Marlboro have an average ranking of 9/10, which is in the top 20% of New Jersey public schools.

Minority enrollment is 31% of the student body (majority Asian), which is less than the New Jersey public school average of 62% (majority Hispanic).