Originally Posted by jandajoy

A relevant degree of course goes without saying.

B.Ed
B.A. English, I'd include Drama and or foreign languages plus a PGCE or equivalent 1 year teaching qualification.

dip. TEFL

M.A. Applied Linguistics. M.A. Ed.

RSA Cert. grade A. or equivalent. Preferably from a reputable center such as IH or the like.

Basically a solid grounding in language, linguistics and communication with a "teaching" qualification on top.