Teachers keeping guns with them while at work is not a new idea. Not in Utah for the last 10 years anyway. Pay attention to item (4)(a) and Section 53-5-704 (Concealed Carry Permit Holders). Google it, Indiana is behind the times.
https://le.utah.gov/xcode/Title76/Chapter10/76-10-S505.5.html
https://le.utah.gov/xcode/Title76/Chapter10/76-10-S505.5.html