Dewantara is an open source student information system (SIS) flexible enough to be used in varying institutions: high schools, elementary schools, kindergarten schools, courses, etc. Although developed as an open source project, Dewantara puts more weight on stability and ease of use over features. You don't have to worry to start using it for you school system. Project Wiki is in http://trac2.assembla.com/dewantara. Please go there to see project development.