To deal with growing power demands, the Feds and some states are pushing demand-response and time-based power pricing (e.g., real-time pricing). Many utilities are helping customers to that end by providing online energy analysis software, such as Energy Profiler Online (EPO). For account loads over ~1 MW, your utility may already offer such services.
Leaning on experience and data from various K-12 cities and projects, the author pursues some less conventional design approaches. They may revolve around radiant heating and/or cooling, but depending on school size and other factors, the smart use of heat recovery, DOAS, and improved central plants could also put a project on the HVAC honor roll.