With the prevalence of online learning, considerable concerns and problems arise, particularly as it relates to the quality of this mode of instruction. This study used a web-delivered survey based on the quality benchmarks published by Institution of Higher Education Policy to investigate student's perceptions regarding online course quality and to determine the underlying factors that contribute to those perceptions. A total of 176 online students participated in this study. By using factor analysis, reliability analysis, and hierarchical multiple regressions to analyze data, results of this study showed that peer-interactions, feedback from instructors, and online course structure were the main factors that affected students' perceptions of online course quality. Student support was also an influencing factor of students' perceptions. Findings of this study will provide valuable information that can serve both online instructors and administrators in providing effective online education. (Contains 5 tables.)