From a class management perspective, this study aims to analyze the interaction between students and mentors in the Facebook class websites and students’ social networking in the Facebook by using Facebook provided functions. The research focus is students’ perceptions of the Facebook as a class website. The survey results indicate that most students express positive attitudes on their Facebook class websites in terms of system interface, feeling exchange, and information communication. The qualitative analysis yield five themes: role of class leader, knowledge sharing, system interface, role of mentor, and value of class website.