Immaculate Conception Apostolic School
 Established in 1982 Immaculate Conception Apostolic School (ICAS) is a private Roman Catholic boarding school and high school seminary for boys in grades seven through twelve. It is located within the Diocese of Manchester and sponsored by the Legionaries of Christ a religious congregation of the Roman Catholic Church. The school stands overlooking Lake Winnipesaukee in the central New Hampshire town of Center Harbor. It serves approximately 80-100 students.