This study aims to develop a score equating application for computer-based school exams using parallel test kits with 25% anchor items. The items are arranged according to HOTS (High Order Thinking Skill) category, and use a scientific approach according to the physics lessons characteristics. Therefore, the questions were made using stimulus, options, logical and systematic. This study used Research and Development (R&D) method, which began with an analysis of the current school needs, and takes advantage of technological developments that make it easier for schools to organize. Furthermore, it continues in the literature study to design a school exam model with its devices. The instrument items were analyzed using the RASCH model. In addition, the principle of equating used in application development was the linear equating method.