BASEBALL GATEWAY HIGH School catcher Mike Baker and outfielder Chris Callahan have accepted grants-in-aid to play next season for Seminole Community College in Sanford. HOUSTON’S ANNUAL tryout camp for free agents. STCC, the only technical community college in Massachusetts, offers 90 academic programs and oversees a technology park. Gateway Technical College prepares students for rewarding careers through more than 65 education programs for health, business, manufacturing, engineering, and. Your GateWay…