Fairfax County has excellent schools. In the 2013, the county participated along with several others in a cross-country PISA comparison. Herndon High school, which is not in a particularly wealthy area, performed right between Germany and Canada, and a bit below Finland: http://www.oecd.org/pisa/aboutpisa/OECD%20Test%20for%20Schoo... (see page 104).