Three Oaks Senior High School (often abbreviated as TOSH) is a Canadian secondary school located in Summerside, Prince Edward Island for students from the eastern part of Prince County, including the City of Summerside.

[citation needed] TOSH is home to many extracurricular sporting events that are offered throughout students' three years of high school.

Sports at Three Oaks Senior High Include: A Women's and men's basketball tournament hosted in early December by Three Oaks Senior High School which draws schools competing from across P.E.I., New Brunswick and Nova Scotia.

The annual teams are the Three Oaks Axemen, the Charlottetown Rural Raiders, the Colonel Gray Colonels, the Bluefield Bobcats, the Lockview Dragons, the Millwood Knights, the Sussex Sonics, the Miramichi Golden Eagles, the Dalhousie Vultures and the Amherst Vikings.

The annual teams are the Three Oaks Axemen, the Charlottetown Rural Raiders, the Bluefield Bobcats, the Westisle Wolverines, the North Nova Gryphons, the Cobequid Cougar, the Montague Vikings, the Colonel Gray Colonels, the Avonview Avalanche, the Horton Griffin and the Northumberland Nighthawks.