The study was carried out to identify the leadership styles of primary school teachers based on McGregor's X-Y Theory. The teachers' leadership styles were also investigated in relation to their tenure of office, socio-economic environment and their teaching branch. The study group was composed of 215 primary school teachers, 153 of them were female and 62 of them were male. Teacher Leadership Styles Scale developed by Deniz and Hasancebioglu (2002) was used to measure the leadership styles of teachers. The major results of the study are as follows: (1) teachers are found to be autocratic and repressive during teaching time, (2) teachers belong to high socio-economic school environment represent more democratic and participatory behaviors (3) teachers who have 1-10 years tenure of office represent more authoritative and traditional style of leadership. (C) 2014 The Authors. Published by Elsevier Ltd.