Information Technology in supporting the running of business processes is currently urgently needed, this role is to support the running of organizational performance in achieving the vision of the organization that has been implemented, one of which is education institutions, especially high schools. SMA 123 which is located in the city of Bandung has implemented Information Technology, only in the application of information technology has not been able to integrate systems between parts. The system implemented between sections still stand alone and its impact on the difficulty of the management of the school to obtain statements that involve cross-section so that in making decisions requires a relatively long time. The system can integrate between parts of the organization and can provide the information needed by the organization to support the decision-making process using Architectural Design Company uses the TOGAF (The Open Group Architecture Framework) with the ADM (Architecture Development Method) method, which consists of the Preliminary stage, Architectural Vision, Business Architecture, Information Systems, and Architectural Technology.