Substitute Teachers

The York Suburban School District uses Substitute Teacher Service (STS) to provide teachers for our schools.

In order to substitute within the York Suburban School District, you must be registered with STS if your are certified to teach.

To register with STS:

  • Go to
  • Click on the Job Posting tab
  • Scroll down to the Job Postings tab and click on the Substitute Teacher Tab
  • Choose which Substitute Teacher position you would like to apply for
  • Follow the instructions fo uploading of your documents

Once you have completed the required components of the online application process, the STS Representative assigned to the York Suburban School District will contact you.  At that time, an appointment will be set up for you to complete the next step of the application process.

If you have any questions, please contact STS Human Resources at (610) 566-6466.