Teacher is an information worker asn as such he needs an integrated
information system. For instance managers have Management Information
system(MIS) and key decision makers need DSS. In a similar manner, a
teacher needs a system to manage all teaching related activites such a
content creation, management , assesment etc
One of the most useful such system avaiable is MOODEL which is a an
open source. Here is a brief introduction about the same
http://wtlt.blogspot.com/2009/07/moodle-integrated-information-system.html#comments
regards