Whether the relation between academic achievement and using additional classes before entering the university?

Academic achievement of students is one of the important indicators of education. Hence study variables that are related to academic achievement in different subjects, is one of the main topics of research in Education system. this study performed in order to asses the association of student‘s education progress with Additional classes before passing entrance exam. This study is a cross-sectional and analytical study that was conducted in 1391 on 116 students from Jahrom University of Medical Sciences. Data were obtained by a self-made questionnaire including: part1; demographic characteristics, part2; questions about student's view of Additional classes and part3; data about raw scores and total rank of entrance exam and also First and second semester GPA for all students. Findings were analyzed by using spss v. 16 software. 116 students participated in this study. (2/30٪) 35 didn’t use any classes and (8/69٪) 81 had used different types of classes. There was a significant correlation between and total rank of entrance exam How to participate in classes. (p=0. 007, r=0. 251). There was a significant correlation between raw scores of entrance exam and How to participate in classes. (p=. 0. 21, r=0. 215). There was a significant correlation but inverse between total rank of entrance exam and First semester GPA. (p=0. 003, r=-0. 27). Although the correlation coefficient does not show a strong correlation, But it could mean that participate in mentioned classes, not only dose not help students to improve the basic information But perhaps for reasons that should be investigated leads to Academic failure on arrival to the university. Therefore, Need to revise curricula in all disciplines and levels of education is inevitable.