I installed my CS6 educators version but no 3d tools show up. I think I may be missing another tool tab across the top too. The one that starts with an A
Check the system requirements. 3D requires a properly configured graphics card and it is not supported on Win XP.
Photoshop Extended provides 3D features and the 3D menu while Standard does not. Is this "educators version" you speak of definitely supposed to be Extended?
This is what you normally see in a Photoshop Extended window:
Retrieving data ...