Principal's Message

Kelly Szesterniak

As the principal of Jefferson I am committed to working with the dedicated staff, parents and community to continue providing an exceptional educational experience for Jefferson students. Together we will continue to work toward our vision of "relentless pursuit of excellence."

Our educational program is rooted in our community’s respect for the dignity and integrity of all our students and families. Our shared mission, “to provide the best education possible for each and every student”, is focused on the work we do together to encourage the social, emotional, and academic growth of all our children.

Please take some time to explore our website. You will find information about the current happenings at JMS along with information about our faculty and staff, academic programs, student activities, and our PTA.

Welcome to Jefferson!

Kelly Szesterniak, Principal


Jefferson Middle School
21 Moffett Street
Pittsburgh, PA 15243
(412) 344-2120

Mt. Lebanon School District

7 Horsman Drive

Pittsburgh PA 15228

Fax: 412-344-2047


© 2019 Mt. Lebanon School District. You are welcome and encouraged to access and print material from the Mt. Lebanon School District website for personal use only. Any other copying, posting to another website, distribution, modification, transmission, or dissemination of any of the Website content is strictly prohibited without the prior written permission from the School District.

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