The Knowlton Campus is home to a 2,800 square foot Cousteau Center for Marine Studies, as well as the Dollinger Center, the school's 483-seat theater used for productions for both campuses, and the gymnasium and three athletic fields.

In 2015, a Maker Space on the Hough Campus and Innovation Lab on the Knowlton Campus were created to integrate technology and STEAM (Science, Technology, Engineering, Arts, Math) into the entire curriculum at every grade level.

Canterbury supports experiential learning by incorporating field trips, community service, and the maker space and innovation lab into the curriculum to enhance classroom instruction.

Athletics Canterbury has 33 athletic teams in three seasons (Fall, Winter, Spring) at multiple levels (Middle School, Junior Varsity, and Varsity), for football, cheerleading, golf, swimming, volleyball, basketball, soccer, baseball, softball, tennis, and track and field.

[citation needed] Clubs, Activities & Honor Societies for Middle and Upper School Students There are more than 30 in-school and after-school clubs and activities offered to Middle and Upper School students at no cost.