St. Mary's Public School - K-12 Elementary School St. Mary's offers a balanced educational experience for children entering kindergarten through grade 5. Each child is provided a high quality education based on their individual needs. St. Mary's provides small class sizes of less than 20 per classroom. Each staff member is licensed and endorsed for the subjects they teach. The school employees full time music, PE, ESL and reading specialists to give each child a rounded and complete education.