Before trying out any of these strategies and techniques make sure you follow this quick guide from usa.edu about how you can optimize your studying space and to be more productive
The Pomodoro Technique works like this:
Decide what you want to accomplish and estimate how long you will study for. Then break your work into pomodoros.
Set a timer for 25 minutes, and start studying. ...
Minimize your distractions during the pomodoro interval. ...
After 25 minutes take a short 5-10 minute break. ...
Repeat.
Utilize practice tests: Use practice tests or questions to quiz yourself, without looking at your book or notes.
Make your own questions: Be your own teacher and create questions you think would be on a test. If you’re in a study group, encourage others to do the same, and trade questions.
Use flashcards: Create flashcards, but make sure to practice your retrieval technique. Instead of flipping a card over prematurely, write the answer down and then check.
Read the content and try to explain it as if you were speaking to a 5-year-old, also making sure to reflect and ask questions about the question(s)