The research aims to learn more about management styles prevalent among secondary school principals from the perspective of teachers. And know the level of participation of teachers in the decisionmaking process. And defines the relationship between the management styles of the managers of secondary education and decision-making process. And know the differences between the scores of the answers sample individuals to identify patterns and to identify administrative decision depending on the variables of research: (qualification, years of experience). And adopted a researcher on the analytical descriptive approach, and the researcher used a questionnaire to measure patterns of four administrative behavior patterns, and to identify the decision. The sample search of (246) and a school teacher of teachers of secondary education in the province of Damascus.