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Challenge Island® is the world’s #1 STEM/STEAM program by Entrepreneur Magazine’s Franchise 500. With over 100 locations in the USA and Worldwide, Challenge Island has touched the lives of over 1 million children in over 6000 schools and community locations, Founded by award-winning educator, author, and parenting/education journalist Sharon Duke Estroff, Challenge Island® is grounded in cutting edge educational thought and at the forefront of S.T.E.A.M. Education and 21st Century Learning.