List the practical health knowledge that you can gain in your school​

School health services: preventive services, education, emergency care, referral, and management of acute and chronic health conditions. Designed to promote the health of students, identify and prevent health problems and injuries, and ensure care for students.

Don't reward students with junk food.

Let student have water bottles. Hydration is key to staying well. (And encourage students to use reusable bottles to cut down on waste.)

Use movement as a learning tool. Exercise and fun are both great for immune system function.