Phone: 830-780-2321 EXT 351


Degrees and Certifications:

Bachelors of Science in Athletic Training Masters in Health and Human Performance Licensed Athletic Trainer in the State of Alabama and Texas Nationally Certified Athletic Trainer through the BOC

Miss Sizer


My name is Jessica Sizer. The students and the athletes will call me Coach Sizer. I am a Licensed and Certified Athletic Trainer. I graduated from the University of the Incarnate Word in 2017. I am Karnes City's first fulltime Athletic Trainer and I will also be teaching the Sport Medicine Course's. This is my first year teaching, but I am very excited to take on this new role! 

My Google Class Room Code Is: 21s86dh