I have been thinking about an idea that
@zaria brought up on a thread and believe it might be worth a shot, at least to discuss and bring it to ZOS' consideration.
The Undaunted Academy would be located in each of the alliance's capitals (or at least accessible from there) and completing each level would be a requirement to enter Veteran Group Dungeons and to use Group Finder for a certain level of Veteran dungeon. Normal dungeons would be accessible to all still.
It would have a Tank instructor, Healer instructor and two DD instructors (one stam-based, another magicka-based), to show tutorials, offer practice on certain moves and types of skill and then, at the end of the "course", run a small practice dungeon alongside the other instructor NPC's to use the taught material.
Level 1 of this academy would teach the real basics (block, dodge, buff, debuff, etc) and would allow you to access the tier 1 dungeons.
Level 2 would go further and address rotations, conjugations of skills, synergy importance, gear, etc, and would allow access to tier 2.
Level 3 would be all about working in a group, applying the knowledge of the previous two levels, and that would allow access to tier 3.
This is only an outline of an idea for us to discuss, so do go ahead and bring your own thoughts on the matter to this thread, for ZOS to consider.