OLL students must complete 24 credits (minimum) to graduate, fulfilling the Michigan Merit Curriculum and additional diocesan requirements. 

Each student must earn 4 Theology credits, 4 Math credits, 4 English credits, 3 Science credits, 3 Social Studies credits, 1 Performing and/or Fine Arts credit, 2 Foreign Language credits, 1 Physical Education & Health credit (can be granted from Varsity sports), and the Senior Capstone.

OLL offers a variety of pathways and electives from which students can choose, including College Readiness, Advanced Placement, and DECA (entrepreneurship).