当今美国中小学师资力量的变化趋势——基于教师人才库统计数据的分析

The Present Changing Trends of Elementary and Secondary Teaching force in United States——Based on the analysis of the data from SASS and TFS

美国中小学师资变化的信息一直是该国教育统计中心调查的重要内容。对于教师人才库调查数据的研究发现，近20 年来，美国中小学师资力量呈现出师资数量膨胀、教师老龄化、年轻教师在不断增加、女性教师逐渐变得强势、教师流动的增加和教师学术能力较为稳定等变化趋势。

The important investigation conducted by NCES is the information resource on American schools. In nearly two decades，according to the data results，we found that teaching force is ballooning，becoming older and younger，more female-dominated； becoming less stable and holding steady academic abilities. Meanwhile，the essay analyses the reasons for the change in the teaching force.