Students at St. Theodore School receive instruction in all core subjects and are generally in accordance with the time allotments outlined by the Catholic Education Office.  Curriculum, text selection, teaching materials, and modes of instruction are continually monitored and enhanced to meet Archdiocesan guidelines which are based on multiple standards, including Missouri Standards and Catholic Education benchmarks. The curriculum consists of Religion, Language Arts, Mathematics, Science, Social Studies, Music, Art, Physical Education, and Computer. Spanish is taught in all grades twice a week.