Linden Hill School
Lustre Christian High School
Lyndon Institute
Maharishi Academy of Total Knowledge
Maine Central Institute
Marianapolis Preparatory School
Marine Military Academy
Massanutten Military Academy
Maur Hill-Mount Academy
McCallie School
Middlesex School
North Broward Preparatory School
Windermere Preparatory School
Lake Mary Preparatory School
Rancho Solano Preparatory School