An official letter should have two addresses and the date. When completing the online application, be sure to check "Wake County.Fill out the form below and our recruiter will contact you. You can be ready to work as a substitute teacher in less than two weeks. 1. Submit the interest form on this web page. Let us know you're interested and a Kelly Education recruiter will follow up with you on next steps. Fill out a prescreen form. You can view all open positions or use the following search form to find jobs that suit your specific career interests. One PDF containing: Cover letter describing qualifications and interest in the position. Complete the Residency License (RL) Form.