摘要:Site SMA Negeri 99 Jakarta is one of the media information that made theauthor's research method SDLC (System Development Life Cycle), whichconsist of planning, analysis, design, implementation, and maintenance. Thissite is built using a CMS-based application that is Joomla! Version 1.0.13 withthe address of the site http://www.sman99-jkt.sch.id. On this website we haveinformation about the school that includes the history, vision and mission,organizational structure, school profiles and other information that can helpcommunities or expected users in finding information about SMA 99 Jakartawithout having to come directly to school.