No person who, in the opinion of the Secretary,—
(a) has not completed the work of form 2; and
(b) has not completed work equivalent to the work of form 2,—
shall in any year be or continue to be enrolled at a secondary school, or in a class above form 2 at a composite school, unless the person turned 13 before 1 April in the previous year.
Compare: 1964 No 135 s 85(1)