Marian Baker School is located in San Ramon de Tres Rios and has a student body of about 250 students. This school offers a United States and Costa Rican based curriculum following the United States schedule. Classes are taught in English (with the exception of Spanish class and Costa Rican civics). ESL and SSL are taught for those that are not at the same level of the other children. It is known for a caring faculty in a smaller setting. Marian Baker offers both the Costa Rican National Baccalaureate (MEP) and the United States Diploma.