美国田纳西州小班化教育改革实验STAR 计划的理论与实践

Tennessee's Class Size Reduction STAR Experiment in US

为了振兴经济，提高教育质量，应对入学人数减少，在选民的强烈要求下，20 世纪八十年代美国田纳西州进行了迄今最具权威性的小班化教育改革实验STAR 计划。它耗资1200 万，历时4 年，实验学生达12,000 名，被誉为美国历史上最伟大的教育实验。STAR计划及后续研究表明，小班化教育有利于学生学业成就的提高，尤其对处境不利学生更具优势，并且这种优势具有累积性。

To solve the problems of economy, education and number of students decrease and based on the request of selectors, Tennessee had conducted an experiment of class size reduction named Student/Teacher Achievement Ratio at 80s last century. Costing 12 millions, lasting 4 years, and involving 12,000 students, it is considered one of the greatest experiments in USA. STAR and its related researches show that small class has cumulative benefits for students learning, especially for disadvantaged students.