This article provides an analysis of the features, determinants, and effects of a series of reforms to funding the primary and secondary education systems in Alberta, Ontario, Saskatchewan, and Manitoba during the past two decades. The principal focus is on the reforms that have shifted the authority for setting property tax mill rates for education and responsibility for funding the education system between school boards and provincial governments. The article reveals that, whereas Alberta, Ontario, and Saskatchewan have followed the lead of six other provinces in centralizing such authority and responsibility in the provincial ministry of education, Manitoba has moved slightly in the opposite direction by reducing its role in setting property taxes for some classes of property and reducing its level of responsibility for funding the education system. The article concludes with some questions regarding potential future trends in relation to alignment of authority for funding education between provincial governments and school boards.