Substitute Teaching require a substitute permit or a teaching certificate. The substitute permit requires completion of 90 semester hours of satisfactory (minimum 2.0 grade point average) credit consolidated at one four-year regionally accredited college and university. Individuals who meet the minimum requirements and wish to substitute teach should contact the district/school where they are interested in substitute teaching. The substitute permit is valid for teaching in day-to-day substitute teaching assignments during the school year for which the permit is approved. This permit is not valid for any regular or extended assignment. The substitute permit expires on August 31st of the given school year. The district/school may renew the permit each school year.