33-201. School age. The services of the public schools of this state are extended to any acceptable person of school age. "School age" is defined as including all persons resident of the state, between the ages of five (5) and twenty-one (21) years. For the purposes of this section, the age of five (5) years shall be attained when the fifth anniversary of birth occurs on or before the first day of September of the school year in which the child is to enroll in kindergarten. For a child en...