Coach David Collenback graduated from Winston Churchill High School in San Antonio in May of 1979 where he lettered in football, basketball, and baseball.  He continued his education at Trinity University where he earned his Bachelor of Science degree in 1984 and lettered in both football and baseball.  In 1991, he received his Master of Science degree from Texas A & I University in Kingsville.

He has taught middle school science and physical education as well as coached football, basketball and track.  He also taught at Edison High School in the San Antonio Independent School District and Marshall High School in the Northside Independent School District.  Recently, he announced his retirement after 21 seasons as the head baseball coach at O’Connor High School, also located in the Northside Independent School District.
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