I got dumped a week before the HSC exams started cause he knew i was going to do it after...
but it wasnt that bad, it actually motivated me to study more and do better than him (which wont be that hard seeing as he's not the brightest haha)
I thought it would affect me more but given the circumstances and state of our relationship... I don't think it's affected me at all
can't say the same for him though...
so that's just my personal experience, obviously not everyone will deal with break ups as well as i probably did...
but just think of all the amazing people and experiences you'll have in the future if you try to do well in the exams