The study was conducted to find out the effect of OPPEMEI model on creative students’ thinking skill and cognitive learning achievement  and their correlation in the third semester students of the Elementary School Education Department, Faculty of Education Science of Universitas Pendidikan Ganesha. This study  was an experimental research with the Posttest-Only Control Group Design. The result of the descriptive  statistical analysis showed that the students’ creative thinking skill and cognitive learning achievement in the experiment class was higher than that of the control class. Furthermore, the result of inferential statistical analysis showed that there was a significant effect ot the OPPEMEI model on the students’ creative thinking skill and cognitive learning achievement  with a positive correlation coefficient of 0.689 (moderate correlation)