VideoBridgeLiveEvent -- to be used remotely almost in the quality of a local live event.
VideoLecture -- to be used just like a lecture. Sorry, no possibiliy to ask questions, maybe it should be accompanied by a online communication system and support to heal this deficiency.
Usually video clips are not designed for practicial use at schools or in education; what would be needed?
One important thing to consider in this context is AttentionSpan? -- Videos are not immersive elements, but increasingly illustrations to explain or show a content in context, so their usage is embedded in a time constraint.