In 1969, after years of sharing power with churches, the DIA took sole control of the residential school system.[14][29]:79–84 The last residential school operated by the Canadian government, Gordon Indian Residential School in Saskatchewan, was closed in 1996.[34] It is estimated that the number of residential schools reached its peak in the early 1930s with 80 schools and more than 17,000 enrolled students. About 150,000 children are believed to have attended a residential school over the course of the system's existence.[4]:2–3[35]