Nowadays, the role of motivation is important in all activities, including education and achieving academic progress, and it is necessary to analyze it. Therefore, the purpose of this study was to examine the causal model of academic motivation based on perceived teacher support and academic optimism, the mediating role of academic self-efficacy and the effectiveness of the educational program derived from the model on students' academic engagement. As the results showed, the level of academic achievement motivation, perceived teacher support, academic optimism, academic self-efficacy and academic involvement of girls was slightly higher than that of boys, but this difference was not statistically significant. Also, from the students' point of view, the teacher's perceived support on the motivation to progress and academic self-efficacy; Academic optimism affects the motivation to progress and academic self-efficacy affects the academic motivation of students. The research method in this combined article includes; The descriptive method is of correlation type and it is a semi-experimental method with a pre-test-post-test design with a control group.The result of this research contains the statement of the relationship between students' academic motivation based on perceived social support and academic optimism with automatic mediation, which all these factors lead to the explanation of effective academic engagement
