Our offices are currently closed until further notice, however representatives are available to answer questions Monday - Friday 8:00am - 5:00pm.
If you have any questions, please email the corresponding department below
Find out how you can join our staff as a substitute teacher or substitute para-professional! One interview can put you in touch with all of the school districts we service!Become a Sub
Find out how STS can help you reduce overhead costs, save time managing your substitute needs, recruiting, and interviewing.Find Out How
Director of Secondary Education, Mifflin County School District
Director of Human Resources , Downingtown School District
Effective with the 2016-17 school year, PA Act 86 of
This program is the first of its kind in Pennsylvania and is exclusive to STS. It allows those who have a 4 year degree to take an online training program that would prepare them for teaching in the classroom as a day to day substitute.Learn How It Works