Home - Substitute Teacher Service, Inc.

Teachers & Para-professionals

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

School Districts

Find out how STS can help you reduce overhead costs, save time managing your substitute needs, recruiting, and interviewing.

Find Out How

Since contracting Substitute Teacher Service to supplement our AESOP, operations have improved from good to great.”

Vince Varner

Director of Secondary Education, Mifflin County School District

We renewed our contract with Subsitute Teacher Service based on their ongoing superior services, resources and overall value. STS is flexible, working diligently with us to fill our vacancies and resolves issues.”

Sharon Standish

Director of Human Resources , Downingtown School District

Student Teacher Substitutes

Effective with the 2016-17 school year, PA Act 86 of June, 2016, will allow current students enrolled in a qualifying teacher preparation program, working toward Pennsylvania Certification, to work as a substitute teacher.

Become a Sub

Guest Teacher Program

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