Oak Knoll School of the Holy Child is a Catholic private school in Summit, in Union County, New Jersey, United States. It is coeducational from kindergarten to grade 6 and all girls in seventh grade to twelfth grade. The school operates under the supervision of the Roman Catholic Archdiocese of Newark. The school is accredited by the Middle States Association of Colleges and Schools Commission on Secondary Schools since 1992. The school is a member of the New Jersey Association of Independent Schools. As of the 2013-14 school year, the school had an enrollment of 526 students and a student/faculty ratio of 7:1.