Students' Evaluating Teaching Effectiveness is one of the most widely accepted methods of measuring the Quality of Higher Education worldwide. The University of Dammam is currently performing several evaluations by students as required for academic accreditation by the National Commission for Academic Accreditation and Assessment. Of these, two of them deal with program evaluation i.e. Students Experience Survey (SES), and Programme Evaluation Survey (PES). SES denotes the experience of students halfway through in a given academic program and PES denotes the students overall experience at the end. This study was conducted among the students of Medical and Nursing programs to capture their experiences related to various aspects of the teaching and learning process adopted in their college. The students' attitude was captured through the SES questionnaire and the data were analyzed through six sigma analytical tool using the Poisson distribution model. From the non-conformance level apprehended through the responses from the students about the various categories of teaching and learning process prevailing in the College, the corresponding sigma rating for each teaching and learning process was calculated. Consequently, an innovative six point quality rating system was developed for each sigma values.