Thetford Academy also hosts a small contingent of international students from countries including China, South Korea, Greece, and Rwanda.

[5] The school's campus spans 295 acres and includes several athletic fields, as well as a trail network that enables hiking, walking, running, mountain biking, and Nordic skiing.

[6] The academy completed a campus development project in 2010, which included new science labs, physical education and athletics team facilities, a theater of performing arts, and a greenhouse.

[8] A partial list of the school's clubs and organized activities include art, bass fishing, gaming, gender equity, robotics, and the student council.

[8] The academy's advisory program includes faculty members providing advice and guidance to small groups of ten to twelve students.

[10] Thetford Academy is a Division III school and competes in most sports in the Northern Vermont Athletic Conference as a member of the Capital League.

[11] The school's athletic teams stress its five principles of excellence, commitment, caring, cooperation, and respect for diversity, and have won several awards for good sportsmanship.

[11] Thetford Academy's participation in interscholastic sports are regulated by the Vermont Principals’ Association, and include baseball, basketball, soccer, softball, cross country running, track and field, and alpine skiing.

[12] Thetford Academy's sending towns in Vermont include Corinth, Topsham, Strafford, Tunbridge, Chelsea, Sharon, Hartland, and Weathersfield.