Tri-valley High School Alumni
Colton, South Dakota (SD)
Cathi Costain (Cathi Van Helden)
Tri-valley High School
Class of 1969
→ Join 1297 Alumni from Tri-valley High School that have already claimed their alumni profiles.
→ There are 51 classes, starting with the class of 1960 all the way up to class of 2021.
CATHI'S PROFILE
| First Name | Cathi |
| Last Name | Costain |
| Maiden Name | Van Helden |
| Graduation Year | Class of 1969 |
| Gender | Female |
| City | N/A |
| State/Province | SD |
| Country | United States |
| Occupation | Fraud Investigations |
| Married | Yes |
| Favorite School Memory | HS Basketball Tournaments - Big Winning Moments!! |
| About Me | Traveled quite a bit, raised kids and stayed living in the area! |
Class of 1969 Alumni and Other Nearby Classes
Lois Dickerson
Class of 1968
Becky Headrick
Class of 1996
Phil Van Duyn
Class of 1968
William Morrill
Class of 1988
Michelle Petersen
Class of 1997
Trish Dewar
Class of 1998
Peggy Oberg
Class of 1980
Lessa Duimstra
Class of 1968
Heidi Dumke
Class of 1994
James Miron
Class of 1989
Rechelle Burggraff
Class of 1998
Esther Edith
Class of 1990
David Grosek
Class of 1968
Jodi Myhre
Class of 1992
Carrie Underwood
Class of 2005
Trevor Trevor
Class of 2004
Miranda Feterl
Class of 2004
Jeremy Birkhimer
Class of 2001
Kristy Qualseth
Class of 1997
Mike Benson Benson
Class of 1988
Danielle Hoek
Class of 1998
Renee Kaitfors
Class of 1968
Bobbi Theel
Class of 1995
Mary Olson
Class of 1968