National certification is through the National Board for the Certification of School Nurses: www.nbcsn.org
You must be bachelors prepared and pass a 250 question test. School Nurse experience is recommended.
Type 73 Certification is one of the many state certifications for Illinois School Personal Services Certification. The following is required: bachelors with specific nursing courses, 3 or 4 graduate courses, one of which is an internship, and passing two exams: a basic reading writing and math exam and a school nurse content exam. In Illinois, the school nurse title is protected, and only nurses who are certified are allowed to use the title "school nurse". School Nurses are also eligible to earn a Type 75 certificate needed to supervise. http://www.isbe.state.il.us/certific..._personnel.htm
There are 4 Type 73 programs in the state: UIC (all online), National Louis University, SIU, and Milliken.
About 100 school nurses in Illinois hold both the state and national certification.