Teacher’s Professionality Development Through Classroom Action Research Training at Islamic State Highschool (MAN) in Purbalingga

---One of teacher’s professionality development quality is teacher’s ability to conduct action research, this agenda maximizes teacher’s experience, knowledge, technology literacy, and creativity in order to reach quality education. Classroom action research is conducted by the teacher that focuses on classroom problem that has a goal to improve teacher practical teaching ability to reach quality education. UNNES as teaching training institute (LPTK) have a potency and strategic role in developing teacher’s professionalism by conducting training about classroom action research. The method used in this research are: (1) awareness building (2) capacity building (3) accompaniment stage (4) institutionalization stage. The target of this research are teachers in Islamic State Highschool (MAN) in Purbalingga. This community service has enriched teachers in Islamic State Highschool (MAN) knowledge in the principle, method, and model of classroom action research.