EDCALIBER: $500K in convertible debt financing to Portland, OR-based EdCaliber, which includes $165K from TiE Oregon Angels. The round was led by Nitin Rai, (president of TiE's Oregon chapter) and Darren Nelson (TiE Oregon Charter Member). Founded in 2009, the company offers an "Instructional Improvement System" that helps teachers collaborate, find resources and plan lessons around Common Core and state standards. More details in the press release.