American Research Journal of Humanities and Social Sciences

Class student achievement "increase" is affected by multiple factors, include not only schools, teachers, families, but also include the students themselves. the researchers assumed class teacher were the most important factor in affecting students ‘ academic achievement increase and devoted to discuss class teacher’s academic qualifications, job title, career age ,gender’s impact on students. Through collecting data of six thousand students (include data of their family), five hundred teachers and sixty schools, using Spss and HLM software for analysis. We get the conclusion that family background, school size, especially teacher education, gender, age, title have significant effect on students' academic achievement increase.