K12 discusses questions regarding pre-collegial physics education. Students and teachers alike are encouraged to post their questions to this group. SchoolNet physics for elementary-school students. SchoolNet physics for high-school students. International Sci.physics discusses general topics of physics.
Professors are kind enough to answer questions from students of various levels.
A moderated group for serious research-related discusson only. Physics Seminar Announcements at U of Toronto. Physics Graduate Student News at U of Toronto. The purpose is not inclusive, but to suit the needs for educators and students below senior undergraduate level.