IR(A) befor entering ATPL
I finishd my ppl this summer and as I'm only 17 I won't be entering ATPL until i finish college(3 years left). I want to know if anybody has taken IR befor entering ATPL?? Is that possible and will it do me any god?? I was thinkin about takin IR nex summer or the summer after if it saves my the time of taking it after ATPL.