Dear, Yeaeun Han.

This is In-kyoung, An of Academic Registrar's team, KAIST.
I received your e-mail, and the answer is like belowing.

Not every courses will be offered in Summer Semester, 2012 ,
and it is not confirmed which courses will be offered yet.
Up to now, only KAIST students can apply courses of Summer or Winter semester.

If you need any further information, please contact Academic Registrar's team.

Sincerely yours,
An In-kyoung