2. Such comprehensive district-wide safety plan shall be developed by the district-wide school safety team and shall include at a minimum:
h. policies and procedures for annual school safety training for staff and students; provided that the district must certify to the commissioner that all staff have undergone annual training on the emergency response plan, and that the school safety training include components on violence prevention and mental health, such training may be implemented and conducted in conjunction with existing professional development and training; provided however that new employees hired after the start of the school year shall receive training within thirty days of such hire or as part of a district's existing new hire training program, whichever is sooner;