Timeline: The politics of class sizes in Alberta

Alberta’s current class size guidelines come from a 2003 report by the Alberta Commission on Learning. It was the first major review of the province’s education system in three decades, prompted by an acrimonious labour dispute and 2002 strike by 22,000 teachers. After pressure from parents and teachers, the commission declared class sizes a priority. Here’s how the debate around class size has evolved.
Thousands of striking Alberta teachers, joined by parents, students and mem