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NOW HIRING FOR THE SOUTH PARK SCHOOL DISTRICT in Allegheny County, PA. Want to be a substitute teacher? LEARN MORE.


Your Career Starts Here...

Get the exposure you need! Polish your teaching skills! Become a substitute teacher or para-professional. Be where you want to be—in the classroom teaching or assisting! We can help you accomplish your goals with flexible schedules, great benefits and online training!

Learn How to Become a Sub

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, can 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
Step-by-step Guide to Become a Sub in PA

Choosing to become a substitute in the state of Pennsylvania is a decision to make a difference! School districts and administrators are always seeking qualified, committed and motivated substitutes to fill vacancies in their classrooms and schools!

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3 Ways to Improve Your Classroom Presence

One of the challenges of substitute teaching, no matter the classroom, is having a strong classroom presence. That special “je ne sais quoi” is difficult to teach and often thought of as partly an innate ability, but that doesn’t mean those that may struggle a bit more than others can’t be...

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5 Reasons Substitute Teaching Provides More Than You Think

There are a lot of myths and misconceptions out there about what subbing is, and about what it isn’t. That’s why we developed this helpful guide to show you the benefits of substitute teaching. get started on the right career path that is ideal for where you are.

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