I am good at English or I am good in English?

Answer 1

They have slightly different meanings. If you are speaking of English as a language, you would say "good at." If you are speaking of it as school subject, you would say "good in," just as you would say "good in science" or "good in history."

Answer 2

A person is good at speaking in English.

Answer 3

It's: "I am good at English."

Answer 4

maybe if you're Deena Cortese