Last names starting with "K"
- Class of 2003 Katya Kazachenko
- Class of 1980 James Keane
- Class of 1978 John Keane
- Quinn Kelly
- Class of 1979 William Kimball
- Class of 2000 Paul King
- Class of 1986 Kathy Kinney
- Class of 2006 Stephanei Klirner
- Class of 2012 Lillian Koteau
- Class of 1980 Lisa Kowalski
- Douglass Kozmon
- Class of 1999 Mary Krzeminski (now Barbour)
- Class of 1971 Diana Kuehn
- Class of 1987 David Kukta
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About the Haddam Killingworth High School Alumni Directory
Check out all of the names of the Haddam Killingworth High School alumni that attended high school in Higganum that are listed above. Registering will allow you to join the directory. You can also find out what other graduates are doing now, share memories with other alumn, upload pictures from Haddam Killingworth and find other alumni.