Preparing Students for a Global Future
At Marian Baker, we nurture confident, purpose-driven learners through a strong academic foundation and a comprehensive bilingual program in a supportive, American-minded community near San José.
42
years of excellence
High School Diplomas (IB, US, MEP)
100%
Educational experience
58
Certified staff members
Academic Excellence Across All Grade Levels
Programs designed to prepare students for higher education and global universities.
Early Childhood
We nurture kindness and a love of learning from day one.
Elementary
We deliver engaging, rigorous learning that strengthens critical thinking and supports steady growth.
Middle School
We build the skills and mindset students need to solve problems creatively and confidently.
High School & IB Diploma
We prepare students for leading universities through the International Baccalaureate program and the U.S.-accredited High School Diploma.
About us
A Leading American School in Costa Rica with 42 Years of Excellence
Marian Baker School is a top school in Costa Rica. We offer a supportive learning environment where students build strong literacy skills in both their native language and English.

Admissions
Apply to MBS: A Private American School with Strong English-Language Support
We simplify enrollment for local and expatriate families seeking an exceptional education near San José. Our admissions staff provides personalized, one-on-one guidance to ensure your child feels at home and thrives from day one.

Follow our happy community and their stories
Start Your Journey at a Leading American School Near San José
We invite your family to see our academic excellence up close with a personalized visit.
Schedule a Guided Tour
Explore our lush campus in San Ramón de La Unión and visit the spaces where students learn, create, and grow.
Parent/Family Interview
Meet with our team to discuss your child’s strengths, needs, and goals so we can recommend the best path forward.
Secure Your Spot
Connect with our Admissions team to complete the enrollment process and secure your child’s place at MBS.
Select a date to visit our Costa Rica campus