The quests for the truest/best method for development of Architectural education continue in parallel with changing conditions of world. The different program trials have been performed for course selection within the period until today. The course selection is one of the important decisions that affect academic careers of students and their specialization in the profession. Therefore, both the chance to select course must be given and the options for course selection must be increased. Especially, A selection-making among the elective courses is considered to be the multi-criteria decision-making problem. Within the scope of study, their flexible structure is revealed in terms of the curriculum for twenty-year period by evaluating the course options in undergraduate education since the establishment of Karadeniz Technical University, Department of Interior Architecture and accordingly the inferences are made for lecturers and students. (C) 2013 The Authors. Published by Elsevier Ltd.