This study analyzed the correlation between academic achievements and admission criteria at the School of Dentistry, Chonnam National University, to formulate suggestions to improve the admission criteria. The study population comprised 268 students admitted to the School of Dentistry between 2012 and 2015 who had completed at least one academic year. Academic achievements according to gender, age, former school, and recruitment differences (early/regular) were analyzed using a t-test. Dental Education Eligibility Test (DEET) score, Grade Point Average (GPA), Test of English Proficiency developed by Seoul National University (TEPS) score, and interviews were analyzed using Pearson’s product moment correlation coefficients. The t-test results showed statistically significant differences in academic achievements according to gender and recruitment differences; girls and early admission-passed students performed better than boys and regularly-passed students. There was no statistically significant difference in academic achievements based on students’ age and former school. GPA and DEET scores showed a significant correlation between academic achievements and admission criteria, while the TEPS and interview scores did not. There were also statistically significant differences in academic achievements based on gender and recruitment differences. These results can be used to better select outstanding students in the future.