To sit (for) an exam.

[Hedwig]

Is 'to sit for an exam' correct? I'm sure I've heard it with the preposition but I can't seem to find it anywhere.

 

[Tdol]

I wouldn't use it, but it doesn't sound incorrect to me.

 

[Amigos4]

Is 'to sit for an exam' correct? I'm sure I've heard it with the preposition but I can't seem to find it anywhere.

You can find the preposition at sit for an exam - Idioms - by the Free Dictionary, Thesaurus and Encyclopedia.