The Mississippi ChalleNGe Academy (MCA) is part of the National Guard Youth ChalleNGe Program. We serve male & female at-risk youth, 16-18 years of age. The MCA has graduated 38 classes for a total of 7,452 graduates to date. MCA is currently accepting applications for Class 40 which starts January 11, 2014...Are you ready to accept the CHALLENGE? Call 1-800-507-6253.