This research based on a preliminary study that thequality of teachers in Indonesia nowadays not much differentfrom 2007. The teachers did not apply ideal teaching strategy,they did not realize the change of school based curriculuminto curriculum 2013. The result of preliminary observationrevealed that the teachers could not operate computer as well,the national result of teachers’ competency test on August andOctober in 2012 was lowand also UNESCO (2011) stated thatICT in education policies have to tackle teacher competencies,learning materials, ICT equipment, student and teacher’smotivation. This study was aimed at implementing A Model forUpgrading Teacher’s Competence on Operating Computer asAssistant of Instruction. This study related to recent research atSaudi Arabia, Turkey, India, United State of America, Iran,Kenya and Tanzania that the computer assisted instruction asa supplementary instructional strategy in effective teaching, itincludes providing teachers with professional development,and in order to successfully implement ICT in educationalpractice. A Research and Development (R&D) approach wasconducted in this study. Ninety four (94) secondary schoolteachers were selected as sample by using purposivetechnique from five hundred fifty (550) populations that wereused as pilot test to determine the effect of this model towardthe teachers’ competence on operating computer. The findings revealed that a model was consideredvalid, practical and effective. This conclusion is relevance toboth teachers and the educational policy in Indonesia. Thisresearch implies needs to be consideration not just of how tobolt and weld computer science into the curriculum, but alsohow to ensure that teachers remain equipped to teach pupilsfundamental ICT skills