Here are few study tips:
1. Find out a suitable place for studying. Your bedroom or classroom may not be the best place to study. Find a peaceful place.
2. Collect revision materials before you begin studying.
3. Keep a healthy snack with you. fruits and water are good, they are effective at releasing carbohydrates and replenishes your energy
4. Take short breaks. after 45 to an hour of study take a break of 10 mins and do something else to refresh your mind to avoid getting into monotonous mood.