Midwest - Michigan, Wisconsin. but cooler temps and stronger winters
East Coast - Poconos area of PA, Sussex or Warren Cty of NJ, Catskills of NY
VA - Amherst, Roanoke, Danville
NC - Ashville, Hendersonville
Although the list could go on, these are some notable favorites.
If you comment about your preferred geography, I think you will get additional answers tailored to your desired preferences.
Price will certainly dictate your location and schools. What other factors does your family need and where would you like to live. Climbate, hot cold?? Let me know then we can pinpoint some great areas for you?