Regional breakdowns updated Fall 2009.

Region I Northeast (total 21 schools as of March 2013)

Connecticut (0)
Maine (1)
Massachusetts (6)
New Hampshire (0)
New Jersey (2)
New York (7)
Pennsylvania (4)
Rhode Island (0)
Vermont (0)
Puerto Rico (1)

Region II Southeast (total 24 schools as of March 2013)

Alabama (3)
Delaware (1)
District of Columbia (1)
Florida (4)
Georgia (4)
Maryland (2)
Mississippi (1)
North Carolina (3)
South Carolina (1)
Virginia (4)
West Virginia (0)

Region III Midwest (total 19 schools as of March 2013)

Illinois (2)
Indiana (1)
Iowa (2)
Kentucky (1)
Michigan (5)
Ohio (5)
Tennessee (1)
Wisconsin (2)

Region IV Central (total 18 schools as of May, 2012)

Arkansas (0)
Colorado (1)
Kansas (2)
Louisiana (1)
Minnesota (3)
Missouri (3)
Montana (0)
Nebraska (1)
New Mexico (1)
North Dakota (0)
Oklahoma (1)
South Dakota (0)
Texas (5)
Wyoming (0)

Region V West (total 20 schools as of March 2013)

Alaska (0)
Arizona (2)
California (9)
Hawaii (1)
Idaho (2)
Nevada (1)
Oregon (2)
Utah (1)
Washington (2)