The best place to find information on a Government (federal, state, or local) Agency, Department or public school will be through the entity's website.
Be sure to keep up with the latest news - you could be asked your opinion on a current crisis, project, or initiative.
If you are researching a public school in addition to the school's website
That's right - find the web site and look it over!
See if they have an Annual Report Posted!
See if they have a Mission Statement, Business Plan, or other statement of purpose posted!