St Mark Catholic Classical offers a comprehensive religious curriculum that incorporates several enriching programs. Among these is the Spirit of Truth, which fosters a deep understanding of the Catholic Faith and its teachings. Students also engage with Virtues in Practice, developed by the Dominican Sisters of St. Cecilia, emphasizing the importance of moral virtues in daily life. Additionally, the curriculum includes the Theology of the Body, a profound exploration of the themes of human dignity and relationships, as taught by St. Pope John Paul. Together, these components create a well-rounded and spiritually enriching educational experience for students.