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Meet The Coaches


Coach McCall
Head Coach

Coach McCall will be joining the Klein Oak family in the 2022/2023 season! She has taught and coached in the public school system for six years and has coached club since she was 19. She spent one year with Dayton ISD, where she was the head volleyball coach at Dayton High School where their team nearly tripled their wins from the previous season. For the other five years, she worked within Splendora ISD where she was the head volleyball coach at Splendora High School for three years and a junior high coach for two. During Coach McCall’s time as a head volleyball coach at Splendora, the LadyCats broke the school record for wins and then went on the furthest playoff run in school history, punching a ticket to the regional tournament. 

Coach McCall graduated from Tarkington High School and continued playing volleyball at the collegiate level on scholarship for Wharton County Junior College and The University of St. Thomas. She graduated from the University of St. Thomas in 2016 with a Bachelor’s in Business Administration. She is now studying to obtain her Master’s in Sports Administration through Arkansas State University. 

She is excited to be a part of the Klein Oak volleyball program and is looking forward to a successful season!



Coach Stephen Wagner
Varsity Assistant and  Freshman A

Coach Wagner is thrilled to be starting his second year at Klein Oak and ninth year of teaching and coaching overall. While coaching in the public education system he has also coached club volleyball for 4 years. Coach Wagner graduated from Kingwood High School and then attended the University of Houston and earned a Bachelor of Arts in History. He has taught a myriad of Social Studies and English classes and will be teaching English III this upcoming school year. Coach Wagner is looking forward to working with all Panther Volleyball athletes to help them grow and reach their goals.


Coach Rachel Acosta
Freshmen B


Coach Acosta graduated from Clovis High School and attended Wayland Baptist University with a Bachelor’s in Business Management. She transitioned from the financial industry in 2013 to pursue teaching Social Studies and has been for the last eight years, with the past 2 years at Klein Oak. She has previously served as a Department Chair at Doerre Intermediate in Klein ISD, and is currently the U.S. History Team Lead. She is working towards her Master’s degree in Leadership through Sam Houston State University. Coach Acosta is very excited to join Klein Oak volleyball for her first year coaching at the secondary level.


Coach AshlynMuschalek JV

Coach Muschalek is a proud alum of Klein Oak High School. After graduating in 2016 she attended Texas A&M University to study mathematics and statistics. In 2020 Coach Muschalek graduated with a Bachelor of Science in Mathematics with a focus in Actuarial Science. Coach Muschalek briefly worked as an actuary for a year, but quickly decided to pursue her passion for teaching and coaching. This year will be her second year teaching, 8th year coaching volleyball, and 1st year coaching volleyball at Klein Oak. She is very excited to be working with the program that helped her grow in the sport she loves.

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