The development of information technology makes Department of Education, Youth and Sports Kupang began developing administrative systems using information technology. One of the administrative system required by the Department of Education, Youth and Sports Kupang is in the public and employees of sub-section had difficulty in calculating the data processing performance of teachers in the process of filing a promotion to the preparation of reports. Therefore we need a system that can facilitate the processing of data in an integrated manner, which is supported by the use of desktop-based system to facilitate the presentation of information and data promotion of teachers. In this study designed “An Application Calculation Of Assessment Teacher Performance For Process Increase Filing In Rank Teachers" based desktop using Visual Basic programming language and Microsoft Office Access 2007 as the database. In this study produced an assessment of the performance of teachers and support the submission of information for the promotion. With this application, it will assist and facilitate the work in the process of teacher performance assessment calculations by the Department of Education, Youth and Sports Kupang.