Based on the psychology theory and the leadership definition, the author designed questionnaires of psychological constructs of learning and leadership characters to investigate the correlation between four psychological constructs of learning and leadership characters and to inquire into whether changing students' psychological constructs of learning changes their course grades. Participants were 93 four-year college students in Taiwan. The results showed positive correlations between psychological constructs of learning and leadership characters were statistically significant. Three models were obtained from using multiple regression analysis to analyze data. The models showed that changing psychological constructs of learning influenced students' academic performances. One of the models can be used for predicting the next year students' course grades.