Supplemental Instruction (SI) was first developed in 1973 at the University of Missouri at Kansas City by Dr. Deanna Martin. SI targets traditionally difficult, key gateway and bottleneck courses. It includes those that have a large number of students receiving a grade of C-, D, F, or W. Supplemental Instruction focuses on student retention and the act of facilitating learning, which is accomplished in SI though the identification of the difficult course, placement of an SI Leader, and regularly scheduled peer-facilitated SI or study group sessions. The goal of SI is to create independent learners; and the SI leader, is the link between the actual class and SI session, where course readings, content, and material are brought together with effective