 When it has been accepted, the client (the school) is responsible for maintaining the content; adding new content and changing elements of the visual design, the visitor to the site cannot make these changes but accesses the site to read the content.CMS may have additional modules that allow it to do additional tasks- like mass emailings, online registration for events or even online sales.The sites can be simple and follow proven models, with just the text and the images customised to the schools requirements or bespoke, or part of a larger management suite.