Ariz. Rev. Stat. § 15-802
B. The parent or person who has custody shall do the following:
2. If the child will attend a private school or homeschool, file an affidavit of intent with the county school superintendent stating that the child is attending a regularly organized private school or is being provided with instruction in a homeschool. The affidavit of intent shall include:
D. A person is excused from the duties prescribed by subsection A or B of this section if any of the following is shown to the satisfaction of the school principal or the school principal's designee:
6. The child was either:
G. For the purposes of this section: