A: 19 13, the American Education Association set up the "Secondary Education Reorganization Committee" to re-study the function and purpose of secondary education. 19 18 Committee put forward the report "Basic Principles of Secondary Education", pointing out that the guiding principle of American education should be the principle of democratic ideas, and every member should develop his own personality through activities that serve others and society. Secondary education must aim at the perfection and valuable life of all young people and guide them to transform themselves and society towards lofty goals. Therefore, the main goals of secondary education can be summarized as: (1) health; (2) master the basic methods; (3) aristocratic family members; (4) occupation; (5) citizenship; (6) make proper use of leisure; (7) moral character.

The report "Basic Principles of Secondary Education" is a very influential report in the history of American education. It not only affirmed the position of 1963 academic system and comprehensive middle school, but also put forward the idea that middle school should not be a choice institution or subsidiary institution of a university, but should be a school for all students and serve the society, which played a positive role in the development of American education in the early 20th century.