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St.Mary’s School-Boston requires the following distribution of credits toward graduation with a St.Mary’s School diploma.
Four-Year Program (Grades 9-12)
English (including English 9, English 10 + 2 additional English credits) 4 credits
Mathematics (including Geometry, Advanced Algebra + 2 additional Math credits) 4 credits
Science (including Integrated (General) Science, Chemistry, Biology + 1 additional Science credit) 4 credits
Social Sciences(including Ancient Anthropology, Western Anthropology + 2 additional Social Science credits) 4 credits
Electives 8 credits
Leadership & Service Learning – 50 hours (over 4 years) 1 credit


A course at St. Mary’s School-Boston may be scheduled to run for a half or full school year. Students receive one credit for the successful completion of a full-year course, one-half credit for a semester course, and one-quarter credit for Physical Education/Health Education, and one-quarter credit for three-day semester courses.

Leadership & Service Learning: Students are required to complete 50 hours of service learning over the course of 4 years to graduate successfully. Students may accumulate service hours beginning the summer after the completion of grade 8 through grade 12. Failure to meet requirements will affect a student’s ability to graduate successfully.

No credit is given for courses that are partially completed for reasons of withdrawal, incomplete work, or failing work. Completion of the course with a passing grade provides graduation credit.

Students who fail a major subject must repeat this subject in an approved summer school. A student may not repeat the subject the following year. Any student who fails three credits or more may not be permitted to return to St. Mary’s School-Boston.

Application Process

Submit English Proficiency Scores
TOEFL Junior , TOEFL, IELTS, Duolingo
Submit Application Materials
  • Official transcripts for the last two school years
  • References from two current teachers.
  • A copy of the student’s passport
  • A copy of a bank statement to show sufficient funds
Review & Notification
Application will be reviewed by the Admission Committee. Admissions decisions are usually made within 5 business days from the interview.
Payment **Non-refundable & non-transferable reservation deposit : $10,000
Balance of Fees deadline: 7/31/2023
Pay to: St. Mary’s School Management, Inc.
I-20 Processing
The I-20 is only sent once the deposit is received by our bank
* Deadline: rolling admissions
** The Reservation Deposit is refundable ONLY if the enrolled student receives two or more consecutive F-1 visa rejections and provides valid proof of these rejections.  


At the end of the program, students can


understand concepts and the languages in the subject content area at their grade level


read texts critically, form opinions, and feel comfortable to respond appropriately orally and in writing


be aware of social, cultural and academic differences


be equipped with independence and problem-solving skills required to survive and thrive academically and culturally in their chosen US high schools and beyond. 


maximize their opportunity to get offers from the student's target and top US schools. 

Our Commitment

Putting Students at the Center of All We Do

At St. Mary's School, Saint Raphael Campus (SMS-Boston), we carefully craft our teaching and curriculum system, guided by the core principle of putting students at the center of everything we do. We spare no effort to provide the highest-quality educational resources to international students with a comprehensive solution and inspire them to excel in our classrooms and become productive lifelong learners.