The Mid-Atlantic Junior State is comprised of the states of New Jersey, Pennsylvania, Delaware, Maryland, Virginia, North Carolina, South Carolina, Georgia, Florida, Kentucky, West Virginia, Tennessee, Alabama, Mississippi, and the District of Columbia. In other words, the MAS is roughly the East Coast south of New York. About the MAS Find out all about the Mid-Atlantic State and the Junior State of America. You will find more about JSA , how to contact JSA , and what's new in the organization. JSA is a non-partisan, educational organization of high school students founded in 1934 as the Junior Statesmen of America.
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