用于收集可配置人口统计数据的数据库设计是什么？

I'm working on an application for a charitable student organization. The application will track participation and fund-raising for (primarily) student participants in an event. One of the things we'd like to do is collect some demographic information about students who register for the event from our enterprise directory to use in evaluating marketing and to construct reports for the administration on student participation by year, major, college, etc. One of the goals of the project is to market the application to similar organizations at other universities. I'm designing the app with a plugin architecture for authentication and directory access to make it more general.I'm working on an application for a charitable