The first dual-language high school in the Boston Public Schools is named in her honor.
Margarita Muñiz spent thirty-four years in the Boston Public Schools, twenty-five of them as the principal of the Rafael Hernández School, the premier dual-language school in Massachusetts. Hernández is a pre-K–8 school where all students learn in both Spanish and English and also participate in Expeditionary Learning. Margarita served as headmaster of the Hernández School until her death in November 2011.
Margarita Muñiz Academy, the first dual-language high school in the Boston Public Schools, opened in 2012 and is named in her honor.