Teaching Quality Evaluation Model under the Background of Class Stratified System

Teaching quality evaluation of teacher is an important link in education and teaching activities, and an important index to measure the teaching level of teachers. It affects the level of a school and restricts the learning effect of students. The reform of college entrance examination system has brought new challenges to teachers' teaching quality evaluation. The traditional evaluation method based on absolute average score and standard deviation has been unable to meet the needs of the new teaching model. In this paper, by using "CEACV method", it will based on students’ achievement and theory of value-added evaluation, calculate the average score and the coefficient of variation of several examination results in each class and comprehensively consider the mean of average score and coefficient of variation increments from students' class. Then teaching quality evaluation of teachers will be realized, with the mean of increments are weighted and sorted respectively, and get the final ranking with value-added method which based on the mean ranking of average score and coefficient of variation increments. The results show that " CEACV method" is scientific and effective, and can evaluate the teaching quality fairly and justly.