In an effective school, the headmasters should have the features listed below: "The headmaster oversees the educational programs prepared by the teachers; the headmaster's communication with the teachers, students and parents are strong; the headmaster is successful in restoring discipline and order among the students in the school and classroom environments; the headmaster represents a role model to all peers of the school with his attitude and speeches; the headmaster gives importance to the students' improving their academic success; the headmaster is able to use the technological tools of the age and provides that the teachers and students also utilize these tools in the classroom; the headmaster helps the students in making choices and forming goals together with their teachers; the headmaster is fair; the headmaster fulfills his/her responsibilities." The main issue concerning this study can be stated in one sentence as: "what are the fundamental characteristics of the headmaster, teachers and students who are the different aspects of effective schools?" The purpose of this study is to examine the characteristics of the headmasters, teachers and students, who are the parts and necessary aspects of an effective school. The method applied in this study shall be the reviewing of the literature on this subject. For this purpose, the books (in Turkish and English), graduate and doctorate theses (domestic and international), articles (domestic and international), and the bulletins (domestic and international) written on this subject shall the examined and the knowledge gathered shall be compiled. In the conclusion and suggestions sections of the study, an emphasis is made on the existence of a strong communication between the peers, realizing a cognitive, social, psycho-motor and kinetic development of the students and the utilization of contemporary technologies and new methods of teaching. (C) 2010 Elsevier Ltd. All rights reserved.