In 1918, the Commission on Reorganization of Secondary Education established its 7 Cardinal Principles for secondary education. The 7 Cardinal Principles focused on health, command of fundamental processes, worthy home-membership, vocation, civic education, worthy use of leisure, and ethical character
Source: Wraga, W. G. (2001). A Progressive legacy squandered: The "Cardinal Principles" Report reconsidered. History of Education Society, 41(4), 494-519.