There are a lot of interesting companies in the space now. A couple that come to mind are http://www.betterlesson.org/ http://www.betterlesson.org/, in Boston,

There are a lot of interesting companies in the space now. A couple that come to mind are http://www.betterlesson.org/ http://www.betterlesson.org/, in Boston, who are building a way for teachers to share lesson plans and other resources; and http://www.learnboost.com http://www.learnboost.com, in SF, which is building an online gradebook and other tools for classroom management.