It was affiliated since the early 1700s with Trinity Church in Manhattan. It was Anglican in its origins, then Episcopal after the Revolution. Now it’s non sectarian. Though Episcopal and non sectarian are unfortunately the same thing today. I think tuition is actually more than tuition at Yale ( room and board excluded).It’s an elite school run by the elite for the propogation of the elite and its graduates will take the places of today’s elite in continuing to propagate the cultural transformation ( demise) of America.