State law addresses availability of school nurses.
Iowa Administrative Code 281-12.4 School personnel.
12.4(12) Nurses. The board of each school district shall employ a school nurse and shall require a current license to be filed with the superintendent or other designated administrator as specified in subrule 12.4(10).
Iowa Code 143.1 Authority to employ.
Any local board of health, area education agency board, or the school board of any school district may employ public health nurses at periods each year and in numbers as deemed advisable. The council of any city, or the school board of any school district, or any of them acting in cooperation, may contract with any nonprofit nurses’ association for public health nursing service. The compensation and expenses shall be paid out of the general fund of the political subdivision employing nurses.
Iowa Code 256.11 Educational Standard.
B. Beginning July 1, 2007, each school district shall have a school nurse to provide health services to its students. Each school district shall work toward the goal of having one school nurse for every seven hundred fifty students enrolled in the school district. For purposes of this subsection, "school nurse" means a person who holds an endorsement or a statement of professional recognition for school nurses issued by the board of educational examiners under chapter 272.