The most obvious thing you can do when it comes to electricity conservation is to turn off all lights when they're not in use. To remind your students to turn off the lights, try hanging up little signs next to light switches. Use energy efficient or LED bulbs instead of the traditional bulbs. Run lessons and experiments on energy conservation in your classroom, so your kids can understand it better. The more they understand its importance, the more serious they'll take turning off the lights.
Set your thermostat to a reasonable temperature to ensure a level of comfort for both teachers and students. Fans can also help cool a room down. This way, you are saving energy by not relying on air conditioning. Programmable thermostats can also help you keep track of a temperature in a room.
Assure your computers are able to go into sleep mode when not in use. Doing this makes saving energy a lot easier. Have students turn off monitors if the computers are not going to be used again for a while. Always check to be sure all the computers are off at the end of the school day. Computers take up a lot of energy, so cutting down any way you can is good.
Schools are a powerhouse of energy usage, from lights to heating to the various tools of the trade used to teach a child. It can be difficult sometimes to figure out how to reduce energy costs, but providing a good, quality education to kids is an excellent way to start.