Sec. 28. (a) This section does not apply during a period when a child is excused from school attendance under this chapter.
(b) It is unlawful for a parent to:
(1) fail;
(2) neglect; or
(3) refuse;
to send the parent's child to a public school for the full term as required under this chapter unless the child is being provided with instruction equivalent to that given in public schools.