Anyone have any advice on how to stop cramming and do continuous study leading up to exams
Probably not the best advice :P , but if your school has afterschool study i.e. supervised study, do it! At home you might not study effectively and get distracted.
Make a study plan for each evening and stick to it. Reward yourself with breaks in between study. If you set out goals (e.g. "have all of the irregular verbs in Irish learned off by Friday"), I find it's easy to stick to them instead of just casually deciding to study anything in particular.