校长是教育政策的执行者、学校的灵魂以及重心所在 ,其领导品质深深影响学校的办学品质。基于美国校长专业组织对校长素质的相关研究 ,文章主要阐述美国中小学校长角色的演变与中小学校长应具备的知识技能 ,以期望能对我国校长的素质指标体系的建立、校长专业发展与职业培训有所借鉴。 Principal is the executor of education policy, the soul of the school and the center of gravity, and its leadership quality has a profound impact on the quality of school running. Based on the researches on the qualifications of principals by the principal’s professional organizations in the United States, the article mainly expounds the evolution of the principal’s role in primary and secondary schools in the United States and the knowledge and skills that primary and secondary school principals should possess in order to expect that the establishment of a quality indicator system for principals in our country, professional development of principals and occupations Learn from training.