If you have an environmental education program at school it may be an ideal opportunity to look at your school's energy use; identify the areas where you waste energy and the areas where you can save it.
In general, schools spend approximately 52% of their energy use on heating and cooling, 23% on lighting and 17% on appliances such as computers, televisions, videos and office equipment.
The most effective areas for reducing energy use at school are;

If your school doesn't have an environmental commitment then why not look at reading electricity meters and measuring energy use, conducting a student and teacher survey on what people think about energy or even develop your own school energy profile. Before you know it, you'll be halfway through a school energy audit!