The Tatnall School: An independent, coeducational, college preparatory, day school situated on an 110-acre campus (PK3 through Grade 12). The Tatnall School is an independent, coeducational, college preparatory day school for students ent At Tatnall, we inspire students to explore and excel so they can engage the world with courage, intelligence, passion, and purpose. We provide a strong, balanced foundation with exceptional academics, outstanding athletics, unparalleled arts, and authentic relationships. We develop minds, build character, and create community – one student at a time.