Student, Teachers, and Officers Preventing School Violence Act of 2018 or the STOP School Violence Act of 2018 This bill amends the Omnibus Crime Control and Safe Streets Act of 1968 to revise and reauthorize through FY2028 the Secure Our Schools grant program. This grant program provides grants to states, local governments, and Indian tribes to improve security, including the placement and use of metal detectors and other deterrent measures, at schools and on school grounds.