Graduation from Concordia (Grades 9-12) requires the completion of the following high school course credits:
- 4 credits of English
- 3 credits of Social Studies
- 3 credits of Science
- 3 credits of Math (Algebra 2 is the minimum level)
- 3 credits of World Language
- 2 credits of Fine Arts
- 0.5 credits of Health
- 2 credits of Physical Education
- 2 credits of Religion (participation required each year)
- + Electives.
Eight full semesters of high school attendance are required.
Every student is required to successfully meet all requirements for the portfolio program before receiving credit for the school year, including graduation.