Welcome to the Corvallis School District 509J. As a substitute, you provide an invaluable service to our district. Your willingness to assist with the education of our community's students is sincerely appreciated. By working together, we can provide the best education possible for our students. If you are a current substitute in the Corvallis School District and are needing to access the AESOP system, the web address is www.FrontlineK12.com/Aesop and the phone number is 800-942-3767. Your ID is your 10-digit phone number and the default password is the last four digits of your social security number. Please call 541-757-5840 if you have any questions. 2012 - 2013 Substitute Handbook