Final answer:
The best time for John to study would be between classes.
Step-by-step explanation:
The best time for John to study would be between classes. Since he is busy with soccer practice after school and goes to bed early, studying before bed or in the evenings may not be optimal for him. Additionally, his weekends are often very busy, so studying during the weekend may not give him enough time to focus on his studies.
Learn more about best time for studying