MSAD 35 Marshwood Substitute Teaching Opportunities Substitute Teachers are paid $112.50 per day. Substitute Educational Technicians are an hourly rate of $15.00 per hour Administrative Assistants substitutes are an hourly rate of $16.20 per hour. Substitute Nurses are paid $140.00 per day. Electronic applications are encouraged for any substitute position advertised and can be completed electronically on SchoolSpring ( Please contact Therese Letellier.