Glenlyon Norfolk School (GNS) is an independent, co-ed, university preparatory day school in Victoria and Oak Bay, British Columbia, Canada. It was formed in 1986 with the amalgamation of Glenlyon School and Norfolk House. The school offers instruction from Junior Kindergarten to Grade 12. The school offers the International Baccalaureate at all three levels: the Primary Years Programme, Middle Years Programme and, at the high school level, offers the IB Diploma Programme. Of the 2,124 schools that participate in the IB program in North America and the Caribbean, Glenlyon Norfolk School is one of only 25 schools to offer the program at all three levels.