FAMILIES with CHILDREN in Public, Charter, Private, Parochial, Preschool - DC Health recognizes the importance of vaccinations for preventing disease and reducing the dangers that can come with being exposed to certain diseases. This document outlines the vaccines requirements based on age for all students upon enrollment in schools, reflecting recent changes to the CDC Child and Adolescent Immunization Schedule 2022. All students attending school in the District of Columbia must present proof of appropriately spaced immunizations annually, by the first day of school.