This study was conducted to study the influence of the development of values in 21st century education on the forming of student’ personality in rural Under-Enrolled School (SKM) in Sabah. In addition, this study examines the difference in the mean score of the development of value approach in 21st century education and the forming of student’ personality in rural Under-Enrolled School (SKM) in Sabah. This study uses non-experimental design and quantitative methods. A total of 209 SKM teachers were selected to be sampled in this study. This sample was determined using a simple random sampling method. Questionnaire instruments were used to obtain information from the respondents. The primary data obtained from the respondents were analyzed using Statistical Package for Social Sciences (SPSS) software using inferential statistics analysis involving Linear Regression analysis. The results of the analysis show that there is a significant positive and strong influence between the development of value approach in 21st century education on the forming of student’ personality in rural Under-Enrolled School (SKM) in Sabah (Beta=0.88, t=27.65). The results of this study are expected to provide useful input to various parties, especially the Ministry of Education Malaysia in an effort to improve the school's ability to produce students who are personal and able to contribute to the development of the country.