Ariz. Rev. Stat. § 15-455
A. A petition for the creation of a joint common school district shall include the following:
D. The review of the issue of the creation of a proposed joint common school district shall include consideration of the following factors:
F. The county school superintendent shall cause notice of the proposed election to be posted in not less than three public places in the area within each of the affected districts and to be published one time in a newspaper of general circulation in each county, such posting and publication to be made at least ten days before the election. Such notice shall state the following: