Answer:
This is my way to get better mark in exam, not (full) cus I always got like B :D
- Study hard in the last 2 weeks before exam!!!
- Spend at least 2 hours a day to learn
- Learn more outside school stuff, like some website to learn for free
- Organize times playing, watching and learning better
- Don't play games or distracted in class
- Do whatever u want when you have finished your hw, assignments but do not do that if you haven't finish school stuff
- Don't sleep too late - around midnight is fine :D
Hope this heleped :3