Marshall Academy educates children to become successful, productive, and independent members of a free society. Stressing solid preparation in the fundamental academic skills of reading and phonics, writing, and computation, the curriculum incorporates the best of the Western tradition and modern innovation in a creative, values-centered approach. Each student receives personalized instruction from teachers dedicated to the well-rounded development of the young.

Marshall Academy emphasizes the dignity and self-respect which results from a child's academic accomplishment, right behavior, and proper regard for others. When Academy students come to school, they come to important, rigorous work in a well-structured and caring environment. Both their conduct and dress must support the school's seriousness of purpose.