- Which school is cheaper: Seisen International School or St. Mary's International School?
- Seisen International School has lower published tuition than St. Mary's International School — roughly 23% cheaper at the midpoint. Seisen International School runs $14,839-$15,935 USD/year; St. Mary's International School runs $18,387-$19,355.
- What is the true annual cost difference between Seisen International School and St. Mary's International School?
- Including hidden fees (capital levy, registration, transport, uniform, technology, activities), Seisen International School runs about $19,787 per year vs $23,271 at St. Mary's International School — a difference of $3,484.
- Which curriculum does Seisen International School vs St. Mary's International School offer?
- Seisen International School offers IB leading to IB Diploma and PSAT. St. Mary's International School offers IB.
- Which school is more diverse: Seisen International School or St. Mary's International School?
- St. Mary's International School draws students from 51 nationalities; Seisen International School draws from 42. St. Mary's International School has the broader international community by this measure.
- How do admissions compare between Seisen International School and St. Mary's International School?
- Seisen International School has Competitive admissions; St. Mary's International School has Moderate admissions. The WhereNext Admissions Openness scale combines waiting-list status, admissions cadence, mid-year entry availability, and entry evaluation requirements.