Notre Dame High School is a coeducational, Roman Catholic, college preparatory school in the Lawrenceville section of Lawrence Township, in Mercer County, New Jersey, United States. The school operates under the supervision of the Roman Catholic Diocese of Trenton. The school is accredited by AdvancED. As of the 2013-14 school year, Notre Dame had an enrollment of 1,341 students and 82.6 classroom teachers, for a student–teacher ratio of 16.2:1.