The present study aimed to reveal the self-efficacy and social skills and their relationship to the quality of decision-making at Prince Sattam bin Abdulaziz University students, and determine the extent of the contribution of self-efficacy and social skills to the quality of decision-making. To achieve this, a questionnaire was built to identify self-efficacy, and a questionnaire of social skills, and a questionnaire of decision- making.The study sample was (560) female students from the College of Education in Prince Sattam bin Abdul Aziz University, the study results indicated that the self-efficacy of the study sample was moderate and that the relationship between self-efficiency and social skills and the quality of decision-making was a positive. The findings revealed that the quality of decision-making interpreted about 81.5% of social skills, and it showed a positive statistically significant effect for the quality of decision-making on social skills, and the quality of decision-making interpreted about 69% of self-efficacy, and results also showed a statistically significant positive impact for the quality of decision-making on self-efficacy.