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Costa Rica, San Jose
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Uniforms are required for all students from pre-school through 12th grade. Pre-school wear turquoise MBS logo T-shirt, black athletic pants or shorts, black or white socks, white or black athletic shoes, and a solid black sweater or jacket. Grades 1–12 wear turquoise polo shirts with the MBS logo and black pants, with skirts or leggings allowed for girls and leggings not transparent; black or white socks and black shoes, plus a solid black sweater or hoodie; seniors may design and wear a special uniform with administration approval; on PE days wear a MBS T-shirt and black athletic wear.
Students may bring their own snack or lunch or purchase from the cafeteria; express deliveries are not allowed except with prior administration approval. Preschool and lower elementary lunches are heated by staff; upper elementary students heat their own lunches under teacher supervision, with plastic containers only. The cafeteria provides a lunch program that can be contracted with the provider; monthly menus are posted; meals are eaten independently under teacher supervision.
Marian Baker School is an English-speaking international school serving preschool through secondary. It is fully accredited by the Costa Rican Ministry of Public Education (MEP) and Cognia and is authorized by the International Baccalaureate Organization. It is governed by four bodies: Director General (Mrs. Adriana Calvo), Director of Early Childhood/Primary Education (Mrs. Ileana Cappella), Director of Middle and High School (Ms. Adriana Calvo), and Business Manager (Ms. Bonnie Heigold).
Marian Baker School (MBS) is a private international school in Costa Rican Central Valley serving students aged 2 to 18. The campus overlooks San José and offers English-dominant instruction with Spanish taught across all grades and French introduced early. The school provides the IB Diploma Programme alongside the Cognia High School Diploma and the Costa Rican high school diploma, enabling graduates to pursue colleges worldwide, including the United States and Costa Rica. In addition to the bespoke curriculum and American-style options, MBS emphasizes bilingual literacy and prepares students for diverse paths. Facilities include a gym, a library, a cafeteria, and modern classrooms for middle and high school, with dedicated spaces and campus spaces for efficient movement. Extracurriculars feature Model United Nations, National Honor Society, Student Government, and AASCA sports; arts electives include drama, band, and cinematography. The school is nut-free and promotes wellness through nutrition and physical education for all.
