Progressive reformers cited an outpouring of studies suggesting that teens leaving school were bored with the high school 's academic emphasis . The progressives urged a more practical curriculum aimed at children 's interests . Academics debated the virtues of the uniformity and differentiation in the curriculum , and careers were built by championing one side or the other in this debate (Troen , 1985 ) The 20th century 's comprehensive high school emerged from this cauldron of political , social , economic , and intellectual upheaval , housing...











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