Problem-solving skill is one of the 21st century skills needed by students to be competitive in the future working world. However, international assessment results have shown Malaysian students are still weak in problem solving and many graduates face problems securing a job due to a lack of problem-solving skill which is highly sought after by industries. Although problem-solving skills can be learned, enhanced, studied and mastered, these skills are still not sufficiently exposed and trained to students at the moment. Realizing the huge potential of social networking sites (SNS) that may serve as a promising learning platform, this paper discusses the potential of using Facebook as an informal alternative learning tool to enhance problem-solving skills among school students. The popularity and familiarity of Facebook may attract students to participate actively in discussions and encourage peer collaborations in online social problem solving environment; hence, helping to improve students’ problem-solving skill
