This research utilizes internal evaluation in educational groups in the field of Mechanical Engineering of Tarbiat Modares University for the purpose of representation of comprehensive analysis of existing quality and recommendations for improvement. The target population of the research is compassed of 4 groups: administrators of the educational groups, faculty, students, graduates. This research evaluates 7 factors: goals, management and developing programs of the groups, instruction and investigating and welfare possibilities and facilities, faculty, students, teaching – learning activities, graduates. The conclusion of self assessment of available situation in factors in the field of Mechanical Engineering is as follows: Factors: 1, 2, 5, 6, 7: are rather satisfactory, Factor 3: is unsatisfactory, Factor 4: is satisfactory. Some recommendations are suggested.