*cough* Personally, a little eye liner on guys is... *ahem* charming... *cough*

I love eye liner on guys. It just shows everyone that they will and can stand up for what they want and not be too shy to try something new.

Bravo for him for being the only male in a jewelry class. Another good example of being brave.

Have him talk to the counselor or something... someone who has authority and can set that stupid teacher straight...