To maintain good health in junior high school, you should follow a few simple tips:

1. Balanced Diet: Eat a variety of foods to get all the nutrients your body needs. Include fruits, vegetables, whole grains, lean proteins, and healthy fats in your diet.

3. Get Enough Sleep: Adolescents need around 9 hours of sleep each night to function properly. Make sure to prioritize sleep by going to bed early and avoiding late-night screen time.

4. Manage Stress: Learn stress management techniques such as deep breathing, meditation, or talking to friends and family. Stress can have a negative impact on both mental and physical health.

By following these tips, you can maintain good health and perform well in junior high school. Remember, a healthy body leads to a healthy mind!