International Journal of Academic Research in Business and Social Sciences 2017, Vol. 7, No. 5 ISSN: 2222-6990 495 www.hrmars.com Effect of Transformational Principal Leadership Style on Teachers Commitments and School Achievement Abdullah Ibrahim Faculty of General Studies and Advance Education (FUPL), Universiti Sultan Zainal Abidin (UniSZA), Kampus Gong Badak, 21300 Kuala Nerus, Terengganu, Malaysia Wan Khairul Aiman Wan Mokhtar Faculty of General Studies and Advance Education (FUPL), Universiti Sultan Zainal Abidin (UniSZA), Kampus Gong Badak, 21300 Kuala Nerus, Terengganu, Malaysia Suzaiki Ali Sekolah Kebangsaan Batu Rakit Kuala Terengganu, Terengganu, Malaysia Mohamad Hafis Amat Simin Faculty of Applied Social Sciences, Universiti Sultan Zainal Abidin (UniSZA), Kampus Gong Badak, 21300 Kuala Nerus, Terengganu, Malaysia DOI: 10.6007/IJARBSS/v7-i5/2988 URL: http://dx.doi.org/10.6007/IJARBSS/v7-i5/2988 Abstract Very important role as a driving force to all school staff to achieve the objectives that have been designed. A study was conducted to determine the level of school principal transformational leadership with the Religious Secondary School and Teachers Commitment on School Organizational. This research using survey method using questionnaires circulation. The questionnaire used in this study is divided into three parts. The first part of the questionnaire are questions about the demographics of the respondents. Part two of the study question, is 20 items teacher commitment dimensions (1990). While the third part of the research question contains 20 items that describe the transformational leadership style based on instruments built by Bass and Avolio (1995). A total of 217 respondents had cooperated in the success of this study and two types of statistics that were used descriptive statistics and statistical inference. The study descriptively indicate a majority of respondents tend to stimulate the intellectual dimension (6:09 min) compared to trigger motivation dimension (5.98 min), the dimensions of individual consideration (5.88 min) and the charismatic dimension (mean 5.40). Stimulate intellectual is the fourth dimension contained in transformational leadership. T tests conducted found no significant difference between organizational citizenship behavior and gender (t (97) = 1.561, p> 0.05). However, the correlation test showed a significant relationship