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Are you looking for job flexibility? Do you have a passion for teaching? Consider becoming a substitute teacher.

Substitute teaching with STS offers numerous benefits and makes for a rewarding career change for anyone who enjoys teaching. Whether you’ve always wanted to be a teacher, or you’re just now considering a career in education, substitute teaching could be the right fit for you.

If you’re looking for a career in education, but you don’t think teaching is the right position for you, STS offers a variety of substitute positions. In addition to substitute teachers, STS provides school districts with paraprofessionals, teacher aides and other support professional.

Why Join the STS Team?


We offer unemployment benefits during the summer months, 401(K), direct deposit and more!

Flexible Scheduling

As a substitute teacher with STS, you have the freedom to pick and choose your hours. You’ll know you’re making a difference in student lives while achieving an ideal work/life balance.


Becoming a substitute in PA has never been easier! Our Human Resources staff will help you meet the requirements set forth by the Department of Education and the State of Pennsylvania for working in any school district. We provide all necessary training and resources to enable a smooth transition.

Interested in Substituting?
Learn How Easy it is to Get Started in Pennsylvania Today!

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We work with numerous school districts throughout the state of PA. Check out our list of current clients below to find a school district near you.