A simple definition of a peer tutor is a student that tutors a fellow student. 148 answered questionnaires pertaining peer tutoring relationships are visualized as directed and weighted networks using graph theory. Social network analysis is used to analyze and highlight top peer tutors amongst the student. Measures such as in-degree and eigenvector centrality are juxtaposed with their final exam results as a measure of academic performance on the network. The main observation is that peer tutoring does not always correlate with academic achievements. Some low achievers are also taken as peer tutors. It is hoped that, the visualization of peer tutoring as a network will be helpful for teachers to target the influencers (the top peer tutors) amongst the students, in order to take effective action that will have a significant positive ripple effect on the entire network.
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