The Strathcona-Tweedsmuir School, known as STS, is among the premier co-educational schools in North America. Established in 1971, STS has over 40 years of experience helping students with their mission to "live a life of purpose". STS is known for small class sizes, with only 16 to 18 students per class. Situated in Okotoks, Alberta, STS offers a wide range of courses and is Albertas only independent school authorized to offer the full IB program from Grades 1 to 12. Additionally, STS offers excellent fine arts and athletics programs for a well-rounded education; at STS, students are inspired to seek excellence in scholarship, leadership, and character. Tuition costs range from $17,400 for Grades 1 to 3 to $20,280 for Grades 10 to 12. Learn more