Established in 1986, the Pottsville Gymnastic Training Center was under the direction of Sandy Kost-Sterner and Barbara Kost-Lonergan, In 2012, the name was changed to Pottsville Gymnastics & Theatrical Center and is under sole direction of Kost-Lonergan.
Pottsville GTC offers quality gymnastic instruction for girls and boys of all ages as well as a Performing Arts program.