In extracurricular tutorial agencies，now there are mainly 4 kinds of teaching modes:

large-scale class teaching, small class teaching, 1 to 1 personalized tutoring and online education。 Small class teaching and one to one personalized tutoring become mainstream in the extracurricular tutoring market。 In this way, students' learning effect is significant。 At the same time, this also led to the growth of personalized one-to-one coaching。 In the extracurricular

tutoring market, New Oriental, TAL Education Group, NYSE：XUE are particularly notable, as

well as the Giants, Long-wen companies。 According to statistics, the country has more than 100 thousand extracurricular educational institutions。

The present situation of the after-school classes is worrying。 The after-school classes lack of effective supervision，and they are uneven。 In this competitive society, the extracurricular

tutoring agencies develop rapidly。 But at present, our country is lack of legal constraints and effective supervision to the extra curriculum, which makes the market more chaotic and the quality is uneven。 Many after-school classes are temporary rental of a shopping mall or an office

building for teaching，the equipment is relatively simple, and there is a serious security risk。

Teacher’s qualification requirements are not strict 。Because the country is in the lack of management on this issue, the charging standard is unsupervised。 In the current situation, How does after-school English class affect the students’ English performance。论文网

1。2 Significance of the research

Through the analysis of the influence of the after-school English classes on students’ English performance; it helps students to choose the appropriate after-school English classes rationally and reasonably。 At the same time, it also offers scientific and effective reference for the educators to realize the differences on learning abilities between the students。 Students are not the same, they can’t be generalized。 Not all students are eligible for the after-school English school。

1。3 Purpose of the research

The purpose of our research is to find out the effects of after-school English classes on students’ English performance。 Whether after-school English classes do influence on improving students’ English performance。 Whether after-school English classes have the same effect on all students。 Whether it will have a bad effect on students’ English performance。

2 Literature Review

2。1 The concept of after-school classes

The traditional after-school class is a part of the curricular education。 School teachers carry out targeted guidance for students in extra-curricular time。 The main body of the implementation is the school teacher。 There are a lot of educators who have their own ideas about the definition of traditional after-school class。

Ye lan thinks that after-school class is the supplement and extension to the class。 The tutoring work has the following several aspects: to solve the problems for students; taking lessons after school for students with learning difficulties; guiding learning methods; guiding the progress of top students; providing the help of out of class studies for the students who interested in the subjects;  carrying out extracurricular teaching activities to guide students' practical and

social service（Ye 1991)。Shen Shihan's point of view is that after class tutoring is one of the

measures to take care of inpidual differences, to implement teaching students in accordance with their aptitude and to improve teaching quality。 He pointed out that the contents of the after- school classes include answering the questions for students, helping students with their