North American Montessori Teachers Association
Quadrat Academy
222 Brown St
Philadelphia, PA, PA 19123, United States
https://www.quadratacademy.com/
Phone: (267) 997-7744
Administrator: Svetlana Tikhonov
Email: tell.us@quadratacademy.com
Age Levels: 9–12, 12–15, HighSchool
Type: Private School