Students in Grades 9 through 12 follow a program of studies in English, Modern Languages, Mathematics, Fine Arts, Physical Education, Science, Social Studies, and Religious Studies. Students may register for the course offerings each year to meet the yearly and graduation requirements.
Secondary School students are guided by the School's College Counselor, the IB Coordinator, and teachers from across the various departments to select courses that are appropriate to their own academic needs. Marymount also offers support and resources to students who would benefit from Enrichment opportunities or who may need English Language Learning or Learning Support.
In addition to the basic graduation requirements, every student is expected to register for elective courses. A minimum of 20 credits in Grades 9-12 is required for graduation with an American High School Diploma; however, consideration will be given to students who transfer to Marymount and may not have all the required subjects.
High School students have a Modern Language choice: Spanish, French, German, Arabic or Mandarin and Latin as an elective.