Though tug of war is entertaining, parents should be worried if the rope can't endure both sides' stress. Rope breaking can permanently damage children's knees and limbs.
Dodgeball is fast-paced, so parents worry about concussions and other brain injuries. As for school petitions against the game, CBC says some call it legalized bullying.
The frozen snowball is as hard as a stone and can inflict head injuries! Parents are worried because some pupils hide stones in the "snowball."
Football scares parents more than gymnastics. Despite wearing helmets and other protective gear, high school and college sports cause 12 deaths annually.
Without proper instruction, mixing chemicals may lead to poisonous fumes, fire, and explosive reactions that are deadly to children.
Parents aren't only afraid about high diving's heights. Diving from 20 or 10 meters into a pool may seriously injure children's lungs and hearing.
Hockey is Business Insider's most deadly high school sport, with 25 deaths per million players.
Children adore karate, judo, and taekwondo and beating their opponents. To parents' dismay, this is sometimes done by hitting other kids.
Many teachers use ‘trust falls’ to foster teamwork and encourage pupils to depend on each other.