Oak Knoll School of The Holy Child 44 Blackburn Rd, Summit, NJ07901 Oak Knoll is a Catholic independent school. Kindergarten through sixth grade is a co-educational program,…More while seventh through twelfth grades are only for young women. Oak Knoll is committed to the educational mission of Cornelia Connelly, and dedicated to the growth of the whole child. Oak Knoll is one of 10 Holy Child schools in the United States. The Sisters of the Holy Child Jesus have also founded schools in England, Ireland, France and Africa.