Founding year: 1873
Address: Notre Dame Preparatory School, 815 Hampton Ln Towson,, Maryland, 21286, United States
Founding year: 1872
Address: Dwight School, 291 Central Park West, New York,, New York, 10024, United States
Founding year: 1872
Address: Saint Peter's Preparatory School, 144 Grand Street Jersey City,, New Jersey, 07302, United States
Founding year: 1871
Address: Incarnate Word Academy, 2920 S. Alameda St. Corpus Christi,, Texas, 78404, United States
Founding year: 1870
Address: Canisius High School, 1180 Delaware Ave, Buffalo,, New York, 14209, United States
Founding year: 1870
Address: The Webb School, 319 Webb Rd E Bell Buckle, Tennessee, 37020, United States
Founding year: 1869
Address: St. Ignatius College Preparatory School, 2001 37th Ave, San Francisco, Alabama, 60608, United States
Founding year: 1869
Address: Stoneleigh-Burnham School, 574 Bernardston Rd Greenfield, Massachusetts, 01301, United States
Founding year: 1869
Address: Oregon Episcopal School, 6300 SW Nicol Road, Portland, , Oregon, 97223, United States
Founding year: 1869
Address: The Agnes Irwin School, 275 S. Ithan Ave Rosemont, Pennsylvania, 19010, United States
Founding year: 1869
Address: Rye Country Day School, 3 Cedar Street, Rye,, New York, 10580, United States
Founding year: 1868
Address: The Academy of the Holy Cross, 4920 Strathmore Avenue Kensington, Maryland, 20895, United States
Founding year: 1867
Address: Montgomery Bell Academy, 4001 Harding Road Nashville,, Tennessee, 37205, United States
Founding year: 1867
Address: Oldfields School, 1500 Glencoe Rd Sparks, Maryland, 21152, United States
Founding year: 1867
Address: Porter-Gaud School, 300 Albemarle Rd Charleston, South Carolina, 29407, United States
Founding year: 1867
Address: Brooklyn Friends School, 375 Pearl St, Brooklyn,, New York, 11201, United States
Founding year: 1867
Address: Lyndon Institute, 168 Institute Cir, Lyndon Center, Alabama, 05850, United States
Founding year: 1867
Address: The Storm King School, 314 Mountain Road, Cornwall-on-Hudson, Texas, 12520, United States
Founding year: 1866
Address: Fay School, 48 Main St, Southborough,, Massachusetts, 01772, United States
Founding year: 1866
Address: St. Teresa's Academy, 5600 Main St Kansas City, Missouri, 64113, United States
Founding year: 1866
Address: Noble and Greenough School, 10 Campus Drive Dedham, , Massachusetts, 02026, United States
Founding year: 1866
Address: Maine Central Institute (MCI), 295 Main St, Pittsfield, Alabama, 04967, United States
Founding year: 1865
Address: St. Mark's School, 25 Marlboro Road Southborough, Massachusetts, 01772, United States
Founding year: 1865
Address: St. Mary's School, 816 Black Oak Dr Medford, Oregon, 97504, United States
Founding year: 1865
Address: Harpeth Hall School, 3801 Hobbs Road, Nashville,, Tennessee, 37215, United States
Founding year: 1865
Address: King School, 1450 Newfield Ave, Stamford, , Connecticut, 06905, United States
Founding year: 1865
Address: Chase Collegiate School, 565 Chase Pkwy, Waterbury,, Connecticut, 06708, United States
Founding year: 1865
Address: Loyola High School, 1901 Venice Blvd. Los Angeles,, California, 90006, United States
Founding year: 1865
Address: Luther Preparatory School, 1300 Western Ave, Watertown, Alabama, 53094, United States
Founding year: 1865
Address: Cushing Academy, 39 School St, Ashburnham,, Massachusetts, 01430, United States
Founding year: 1864
Address: St. Mary's Academy, 4545 S University Blvd Englewood, Colorado, 80113, United States
Founding year: 1864
Address: Peddie School, 201 South Main Street Hightstown,, New Jersey, 08520, United States
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