The teacher is the dynamic axis in the educational process. An effective teacher is a source of inspiration and has an effective and positive impact on students learning. Students rely on teachers to make decisions about their studies, work, and living in the future. This study aimed to investigate the degree of how much teachers carry out their professional roles and the affecting factors from the point of view of Zarqa Governorate's teachers. To achieve these goals, researchers created a questionnaire that measures the degree of teachers doing their professional roles and another questionnaire that measures teachers' estimations for the most important affecting factors on carrying out the professional role. The study's sample consisted of (1200) teachers from public schools in Zarqa Governorate's education directorates. This study was conducted during academic year 2018-2019. The study results showed that the percentage of teachers doing their professional role in Zarqa Governorate's education directorates were high, there are no statistically significant differences for the degree of teachers doing their professional roles according to sex, educational qualification, level and years of experience. The researchers recommend to focus on highlighting teacher's role during teaching through the curricula and focusing on field exercise for future teachers.