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Serena Fraser Kessler
- Class of 1990
- Varsity Cross Country - 4 years
- Varsity Indoor Track - 4 years
- Varsity Track - 4 years
- 12 Varsity Red Letters
- 3 White Letters - one in each sport
- Member of undefeated Cross Country teams for four straight years
- ECIC and Sectional Championship Teams for four straight years
- 1st Place in the Ninth Annual Clarence Fall Classic in Cross Country
- 8th Place fininsh in the NYS Cross Country Championships
- Buffalo News called her the dominant figure in WNY Girls Cross Country
- Went on to a successful college career at Allegheny College
- In 2011, she ran a marathon in 2:44:55, qualifying for the Olympic trials
- In 2011, she ran every one of the 365 days averaging 10 miles a day
Kenneth Kreinheder
- Varsity Soccer Coach - 19 years
- 8 League Titles
- 3 Sectional Championships - '82, '83 and '84
- State Runner-up 1984
- Channel 7's Coach of the Year in 1984
- Most wins in school history with 249
- One of the all-time leaders in wins in WNY history
- Varsity Wrestling Coach - 6 years
- Social Studies teacher at Clarence - 28 years
- Organized Town of Clarence Soccer Program
- Clarence Soccer Program Board - 35 years
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Steve Kipp
- Class of 1971
- Varsity Football - 2 years
- Varsity Track - 2 years
- 4 Varsity Red Letters
- White Letter Award in Football in 1970
- 1st player from Clarence to earn All Western New York honors in football
- Only 11 players from the area made that team
- Broke ECIC scoring record in 1970 with 106 points
- Section Champion in the 880 yard relay in Track in 1971
- Held school record in that event until track converted to metric distances
- 5th place finish at the State Championships in the 880 yard relay in 1971
- Awarded Football Scholarship to Mesa Community College in Mesa, Arzona
- Awarded Football Scholarship to the University of Tulsa
Kathy Crapster Skarbek
- Class of 1977
- Varsity Volleyball - 4 years
- Varsity Swimming - 4 years
- Varsity Basketball - 4 years
- Varsity Field Hockey in her sophomore year
- 12 Varsity Red Letters
- 2 White Letters - Basketball
- 2 White Letters - Swimming
- 1 White Letter - Volleyball
- MVP Honors Sophomore year in Volleyball
- Attended Michigan State University and competed on the Varsity Swim Team
