Handwashing and healthy habits“Back-to-school season means close exposure to other children,” Packard said. “Washing your hands can’t be underestimated for maintaining good health,” Packard said. Build strong sleep routines“When it comes to the emotional aspect of school, I try to impress on parents the importance of sleep ,” Fitzgerald said. “Try to eat the rainbow every day, as maintaining a healthy diet is key to maintaining a healthy immune system,” Packard said. “A healthy mind is just as important as a healthy body, and both need to co-exist in harmony,” Packard said.