What is the definition of a student for purposes of claiming the Retirement Savings Contribution Credit?

You cannot take the credit if you are a student. You were a student if during any part of 5 calendar months of the current year you Were enrolled as a full-time student at a school, or Took a full-time, on-farm training course given by a school or a state, county, or local government agency. A school includes technical, trade, and mechanical schools. It does not include on-the-job training courses, correspondence schools, or schools offering courses only through the Internet.