The purpose of this study is to investigate the supervisory beliefs of the teachers. It examines a number of distinct aspects of teachers' beliefs in regard to supervision: position, supervisor's experience, length of service, level of education, age and gender. The respondents of this study were seventy teachers from one of the secondary schools in Malaysia. Data was collected through the use of the instrument devised by Glickman and Tomashiro (1980) "Determining one's Beliefs regarding Teacher Supervision". Cross tabulation, Pearson Chi Square, and Cramer's V test were used to analyse the data. The findings suggested that supervisory beliefs are independent of demographic variables and directive behaviours are among the most preferred behaviours.