This article describes the results of research aims to: (1) explain the steps of applying teacher collaboration model to improve education service in elementary school (2) to optimize teacher professional competence through teacher collaboration model. This research is a action research. The action is carried out for 2 cycles. Each cycle consists of four stages, namely: planning, action, obeservasi, and reflection. Research subjects were teachers from State Elementary School 5 Kutosari, Wergonayan Mirit Kebumen, and a teacher from Tambakprogaten Elementary School Klirong Kebumen. The technique of data collection was observation, interview, and documentation study. The data were analyzed qualitatively in reference to Miles and Huberman (1984)) with steps: (1) data reduction, (2) data presentation, and (3) drawing conclusions and data verification. To keep the validity of data, I used triangulation, a technique to assure the validity of data produced by observation, interview, and documents. Result of this study shows that teacher competencies for learning management based on curriculum of 2013 increase 9.43% from the category of good (76.60) become very good (86.03). To conclude, the implementation of teacher collaborations model can optimize teacher competencies to improve education services in elementary schools of Kebumen district.