Founding Schools

Antilles School, St. Thomas, VI
The Benjamin School, Palm Beach Gardens, FL
The Bishop's School, La Jolla, CA
The Bolles School, Jacksonville, FL
Bush School, Seattle, WA
Colorado Academy, Denver, CO
Groton School, Groton, MA
Harvard-Westlake School, Studio City, CA
Hathaway Brown School, Shaker Heights, OH
Hawken School, Gates Mills, OH
Isidore Newman School, New Orleans, LA
King Low Heywood Thomas School, Stamford, CT
Latin School of Chicago, Chicago, IL
Lawrenceville School, Lawrenceville, NJ
Loomis Chaffee School, Windsor, CT
Madeira School, McLean, VA
Mary Institute & Country Day School, St. Louis, MO
Middlesex School, Concord, MA
Milton Academy, Milton, MA
National Cathedral School, Washington, DC
Pace Academy, Atlanta, GA
Pembroke Hill School, Kansas City, MO
Phillips Academy-Andover, Andover, MA
Phillips Exeter Academy, Exeter, NH
Phoenix Country Day School, Paradise Valley, AZ
Pine Crest School, Fort Lauderdale, FL
Polytechnic School, Pasadena, CA
Potomac School, McLean, VA
Rabun Gap-Nacoochee School, Rabun Gap, GA
Sandia Preparatory School, Albuquerque, NM
Sanford School, Hockessin, DE
Sidwell Friends School, Washington, DC
St. Albans School, Washington, DC
St. George's School, Newport, RI
St. Margaret's Episcopal School, San Juan Capistrano, CA
St. Paul Academy & Summit School, St. Paul, MN
St. Stephen's Episcopal School, Austin, TX
Thacher School, Ojai, CA
The Webb Schools, Claremont, CA
The Wellington School, Columbus, OH
The Westminster Schools, Atlanta, GA
Wheeler School, Providence, RI

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