In my first post, I wrote that I was not aware of school info on Trulia. I must correct myself, as I have found it. If you visit the real estate guide section, and type in any city and state, you will see two columns in the return response. Midway down on the left column, you are given an option to map elementary, middle, or high schools, based on which may appear within that community. Upon choosing any of these, the map that appears on the upper right column will display the location of the schools, and there is an icon for toggling on/off. Mouse over any of the schools for name, address, phone, student and teacher count. This is a great tool for vieiwng the proximity of the school to homes for sale on the same map.
For details about a schools performance, refer to the sites I mentioned in my initial post.