The present paper investigated the effect of high school students’ awareness of school value on their academic performance. It examined the linkage between high school students’ academic achievements in relation to their awareness of school value in quest of raising their motivation. The variables under consideration were the academic performance (GPA) as a dependent variable and the subjective task value, expectancy for success, self-efficacy, intrinsic goal orientation, extrinsic goal orientation, and choice were independent variables. The data were collected from 120 high school students (N=120) in Ouarzazate city through a structured questionnaire using the random selection technique. For analysis, a linear regression model, correlation analysis, and descriptive analysis were carried out. Though many researchers proved that students’ awareness of school value has a capital influence on their academic performance, the findings of this study revealed that the independent variables do not influence the dependent one (Grade Point Average), except for choice. Specifically, no relationship was found between either task value, expectancy for success, and goal orientation with GPA.  In other words, the value students ascribe to the school and the reasons for doing the different tasks do not impact students’ achievement. Finally, and even so, it was recommended at the end that parents and educators should remind students of school value and its worth in order to motivate them and improve their academic achievement.