This is a great resource to check assigned schools (and their ratings) based on a particular address.
My Local Crime
Website that allows you to look up crime rates and incidents based on an address.
Texas Real Estate Commission
Has information concerning real estate licensing, Consumer information, and real estate education.
Texas Association of Realtors
Information about real estate providers in Texas and articles concerning selling or buying your home.
National Association of Realtors
Has information concerning real estate on a national level. Many great articles concerning buying or selling a home.