Minimize what you have to revise(create a flashcard with information or write down the most important notes, use a highlighter for topics or subtopics and words or meanings to make studying fun and easier to remember.
Take breaks regularly. Remember when you were a child a [person usually said playing, eating and sleeping is what makes you grow… Well It is just the same for studying, not getting enough sleep can reduce your learning ability by 40% also eating a balanced diet helps with cognitive function
Ask for clarity on a particular subject that you may find challenging from your teacher or friends