About Carlos Rosario International Public Charter School Over the past 40 plus years, the Carlos Rosario School has transformed the lives of tens of thousands of immigrants by investing in and supporting their journey to achieve the American Dream. Thanks to the School’s programs, thousands of adults have obtained high school diplomas; passed the citizenship exam and become U.S. citizens; gained the English skills necessary to help their children with homework; entered into careers and climbed career ladders; paid millions of dollars’ worth of taxes; purchased homes; and obtained college degrees and workforce certifications.