Multnomah Education Service District

Pooling Professional Expertise for Education

Absence Management (formerly AESOP) Documentation

CTA Substitute Services
Phone: 1-866-373-4321
FAX: 503-614-1281
Click HERE to start your application process!
We appreciate your interest in Multnomah Education Service District.  Below is a guide to help you understand the application process and assist you in the successful completion of your application.  Incomplete applications will not be accepted.
  • Applications must be completed using the CTA Sub Services online application process. 
  • The application and pre-employment background questions on the application must be completed before an individual is officially considered an applicant.
  • Resumes and cover letters are not accepted in lieu of a completed application; therefore, you must upload them to your online application.
  • All application materials become the property of  CTA Sub Services and will not be returned to the applicant.
  • You will be contacted directly by CTA Sub Services if you are invited to attend a registration session.
  • PLEASE NOTE: Portland Public School District registers their own on-call teachers.  Contact them at 503-916-4000 or on the web at for more information.

Paychecks are issued by MESD on the last working day of the month.  If you have a questions about your MESD paycheck, please contact Denise if your last name begins with A-K at 503-257-1799.  If you last name begins with L-Z, please call Rosalyn at 503-257-1792.

If you have questions regarding rate of pay for On-Call Teachers, please call Denise or Rosalyn at the numbers listed above.

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