Discovery Education United StreamingEducational videos in multiple subject areas. Videos are broken up into individual sections which allows you the ability to play small segments, or the entire video. District log on access required.
KnowMiaUse video presentations and interactive assignments to impact students both in and out of the classroom. Free!
Neok12.comCollection of educational videos, lessons, and games for K-12 school kids.
PBS LearningMedia (former teachersdomain.org) Lessons complete with free media spanning multiple subjects for preschool through 12th grade.