The correct list of the Ten Schools Admission Organization:
https://www.tenschools.org/our-schools
St. Paul’s School
Phillips Academy (Andover)
Phillips Exeter Academy
Choate Rosemary Hall
Deerfield Academy
The Hill School
Taft
Lawrenceville
Loomis Chaffee
Hotchkiss
P.S. I mistakenly listed Milton Academy & The Groton School as members of the Ten Schools Admission Organization in a post above (post #8).