I'm thinking about using WordPress as a content management system for a school. The frontend of WordPress itself would never be seen by the students, but the admin interface would be used by teachers to post bulletins and other messages and news items. Wordpress would then provide an RSS feed to integrate with the schools existing systems.
My question is how can the WordPress backend be simplified for use by people with very little technical knowledge. All the is really needed for most users is the ability to view previous posts, and write posts.
Can this be easily achieved using some themes or plugins? Or am I better off using another system for this, if so what?