The Loomis Chaffee School ; LC or Loomis) is an independent, coeducational, college preparatory school for boarding and day students in grades 9–12, including postgraduate students, located in Windsor, Connecticut. 71% of Loomis Chaffee's student body are boarding students while 29% of Loomis Chaffee's student body are day students.

Tuition $68,420. Technology Fee $975. Health Center Fee $635. International Student Fee $1,080. Tuition Refund Insurance (optional) — 1.7% of net tuition (Strongly recommended for new students) $1,163.14. Annual cost of books, art supplies, and other academic materials usually range from $1,200 to $1,600.