In this study, it is aimed to determine the organizational learning levels of regular and vocational high schools in accordance with the views of administrators, teachers, students and parental guardians and to compare the results acquired from the views. This study is believed to be important in terms of determining the levels of organizational learning and serving as an example to the other schools and to the researches to be done in the future. General scanning model was used for the study. With the objective of comparing organizational learning levels of Regular and Vocational High Schools, two schools for each range of first, mid-rank and last rank in ÖSS (Student Selection Exam) were chosen among the regular and vocational high schools in Istanbul province and the study was held together with 12 schools. A questionnaire, improved by Kale (2003), was applied to the administrators and teachers serving in these schools and to the students being educated in these schools and their parents. Through the questionnaires, the schools’ levels of the organizational learning were evaluated from the aspects of organizational learning school structure, team work and cooperation, politics and sources, school leadership and knowledge and skills. The results put forth that in all dimensions of organizational learning of regular and vocational high schools, a mid-level organizational learning exists and the views of the administrators, teachers, students, and parents show a meaningful differentiation related to organizational learning.