Founding year: 1965
Address: Marine Military Academy, 320 Iwo Jima Blvd, Harlingen, Alabama, 78550, United States
Founding year: 1887
Address: Montclair Kimberley Academy, 201 Valley Rd, Montclair,, New Jersey, 07042, United States
Founding year: 1964
Address: Archbishop Mitty High School, 5000 Mitty Way, Mitty, San Jose, California, 95129, United States
Founding year: 1889
Address: Missouri Military Academy, 204 North Grand Street Mexico, , Missouri, 65265, United States
Address: Millbrook School, 131 Millbrook School Rd, Millbrook, Alabama, 12545, United States
Founding year: 1899
Address: Massanutten Military Academy, 614 S Main St, Woodstock, Alabama, 22664, United States
Founding year: 1932
Address: Midland School, 5100 Figueroa Mountain Rd,, California, 93441, United States
Founding year: 1863
Address: Maur Hill - Mount Academy, 1000 Green Street Atchison,, Kansas, 66002, United States
Founding year: 1915
Address: Menlo School, 50 Valparaiso Avenue Atherton,, California, 94027, United States
Founding year: 1866
Address: Maine Central Institute (MCI), 295 Main St, Pittsfield, Alabama, 04967, United States
Founding year: 1873
Address: McDonogh School, 8600 McDonogh Road Owings Mills,, Maryland, 21117, United States
Founding year: FindME
Address: Maybeck High School, 2727 College Ave Berkeley,, California, 94705, United States
Founding year: FindME
Address: Maui Preparatory Academy, 4910 Honoapi'ilani Hwy. Lahaina,, Hawaii, 96761, United States
Founding year: 1956
Address: The Marvelwood School, 476 Skiff Mountain Rd. Kent, Connecticut, 06757, United States
Founding year: 1904
Address: Marshall School, 1215 RICE LAKE ROAD DULUTH, Alabama, 55811, United States
Founding year: 1901
Address: Marist School, 3790 Ashford Dunwoody Rd NE, Atlanta, Alabama, 30319-1899, United States
Founding year: 1842
Address: Marion Military Institute, 1101 Washington St, Marion, Alabama, 36756, United States
Founding year: 1945
Address: Maplebrook School, 5142 NY-22, Amenia, Alabama, 12501, United States
Founding year: 1981
Address: Maharishi School, 804 Dr Robert Keith Wallace Dr, Fairfield, Alabama, 52556, United States
Founding year: 1890
Address: The MacDuffie School, 66 School Street, Granby, Massachusetts, 01033, United States
Founding year: 1971
Address: Marin Academy, 1600 Mission Ave, San Rafael, Alabama, 94901, United States
Founding year: 1867
Address: Lyndon Institute, 168 Institute Cir, Lyndon Center, Alabama, 05850, United States
Founding year: 1964
Address: Le Lycee Francais de Los Angeles, 3261 Overland Ave Los Angeles,, California, 90034, United States
Founding year: 1995
Address: Lycee Francais de Chicago, 1929 W Wilson Ave, Chicago, Alabama, 60640, United States
Founding year: 1895
Address: Lick-Wilmerding High School, 755 Ocean Avenue, San Francisco,, California, 94112, United States
Founding year: 1858
Address: La Salle College High School, 8605 Cheltenham Ave Wyndmoor,, Pennsylvania, 19038, United States
Founding year: 1746
Address: Linden Hall, 212 East Main St. Lititz,, Pennsylvania, 17543, United States
Founding year: 1935
Address: Lycee Francais de New York, 505 E 75th St, New York, Alabama, 10021, United States
Founding year: 1857
Address: Lake Forest Academy, 1500 West Kennedy Road, Lake Forest,, Illinois, 60045, United States
Founding year: 1960
Address: Leman Manhattan Preparatory School, 41 Broad St, New York,, New York, 10004, United States
Founding year: 1845
Address: Lee Academy, 26 Winn Rd, Lee, , Maine, 04455, United States
Founding year: 1946
Address: Lexington Christian Academy, 48 Bartlett Ave Lexington,, Massachusetts, 02420, United States
