This document provides an overview of the Discovery Education Network (DEN) for 2009, including key statistics, leadership councils, events, and professional learning opportunities. The DEN had over 4,000 members in 2008 who hosted over 140,000 educational events. Leadership councils will be established in each state to organize blogging, events, and support for members. Major events in 2009 include the Leadership Council Symposium, Days of Discovery conferences, summer institutes, and a virtual conference.