It is aimed to compare the countries of South Korea, Finland and Canada, which are highly successful in PISA exam, and Turkey in terms of the transition system between educational levels. Document analysis method was used in the study. In the universe of the study, there are thirty-eight countries from the Organization for Economic Cooperation and Development. Turkey and the countries of South Korea, Canada and Finland which are profoundly effective in PISA, constitute the sample of the study. According to the results of the study, it has been determined that there are no exams in transition from pre-school education to primary education in Turkey, Canada, Finland and South Korea. There is a strict examination in the transition system from primary to secondary education level in South Korea, while there are no central exams in Canada and Finland, and transition to secondary education is made according to secondary school student success. In Turkey, a central examination is held for the transition from primary to secondary education level or students are accepted to secondary education by local placement, considering the addresses of the students according to their success. In Turkey and South Korea, a central exam is applied in the transition system from secondary education to higher education. Beneficial practices in nations successful in PISA can be integrated into school systems, taking into account cultural components.