Academic achievement is affected by internal and external factors, including personality. The aims of this study are to identify (1) the student‟s personality types at ELED in one of a private university in Yogyakarta batch 2017 (2) to explore the student‟s academic achievement at ELED in one of a private university in Yogyakarta batch 2017 and (3) to find out the correlation between students‟ personality types with academic achievement at ELED in one of a private university in Yogyakarta batch 2017. This study used quantitative research design, and the quantitative method adopted in this research was correlational design. The population of this study was 208 students at ELED in one of a private university in Yogyakarta batch 2017 and 132 students at ELED in one of a private university in Yogyakarta batch 2017were taken as the sample. Questionnaire and document of student‟s GPA were used as the instrument of this study. The result reveals that there are ninety - two (69.70%) students with an extroverted personality. Additionally, there are forty students (30.30%) with an introverted personality. All of the students are on the good category of academic achievement with a mean GPA value of 3.44. The results show that the significance value is 0.446, which is higher than 0.05, meaning that students‟ personality type and academic achievement do not correlate. It means that introvert and extrovert personality can get high or low GPA score. Therefore, the Ha was rejected.