Most programs include 3 years of classroom, laboratory, and clinical work. Students typically spend the final year of the 4-year program doing clinical rotations in a veterinary medical center or hospital. In veterinary schools today, increasingly, courses include general business management and career development classes, to help new veterinarians learn how to effectively run a practice.All states and the District of Columbia require veterinarians to have a license. Licensing requirements vary by state, but all states require prospective veterinarians to complete an accredited veterinary program and to pass the North American Veterinary Licensing Examination. Veterinarians working for the state or federal government may not be required to have a state license, because each agency has different