Eagle Project: Survival Kits in Advancement Resources Posted July 26, 2019 · Edited July 26, 2019 by NJCubScouter 2 hours ago, David CO said: Deadbolts would be a violation of the school fire codes. The odds of a fire are much greater than a school shooting. The first hit on a Google search confirms this. https://northeastsecuritysolutions.com/why-security-professionals-oppose-classroom-door-barricades/ "As the NFPA safety code stands now, classroom levers must always open from the inside without a key. Classroom doors cannot have a separately operated deadbolt on them either, because in the case of a fire occupants may struggle with a lock."