N.J. Stat. Ann. § 18A:7C-12

1. Notwithstanding any provision of law to the contrary, in the case of a student enrolled in an educational program in a county juvenile detention center that meets the standards for a thorough and efficient education developed by the Office of Education in the Youth Justice Commission, in consultation with the Commissioner of Education, pursuant to section 9 of P.L. 1979, c.207 (C.18A:7B-5), who subsequently enrolls in a public school district, the district shall accept all days of attendance and courses studied by the student at the county juvenile detention center and apply them toward district requirements for elementary, middle, or high school graduation.