September 20, 2017 is. In 2007, 23,000 people went to the emergency room because of injuries related to backpacks and book bags. It is reported that 55 percent of students carry a backpack heavier than the recommended guideline of 15 percent of the child’s body weight. On September 20th, Swanton Elementary School will be sending home a backpack safety flyer to raise awareness of the proper way to wear backpacks. For more information on how backpack safety can help you or your family, visit the National School Backpack Awareness Day Web site at www.aota.org/backpack.