Tri-valley High School Alumni
Colton, South Dakota (SD)
Cathi Costain (Cathi Van Helden)
Tri-valley High School
Class of 1969
→ Join 1293 Alumni from Tri-valley High School that have already claimed their alumni profiles.
→ There are 49 classes, starting with the class of 1960 all the way up to class of 2015.
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
Kari Houser
Class of 2006
Cindy Van Duyn
Class of 1990
Rachel Bakker
Class of 2002
Edmund Adler Adler
Class of 2004
Betty Jorgenson
Class of 1968
Betsy Heiberger
Class of 2004
Sarah Thompson
Class of 1984
Cheryl Boysen
Class of 1972
Michelle Pepper
Class of 1978
John Lynch
Class of 1998
Melissa Benson
Class of 2002
Karen Stotts
Class of 1983
Elaine Weiss
Class of 1968
Susana Virto
Class of 1984
Laurie Swier
Class of 1974
Bobbi Theel
Class of 1995
Randy Mews
Class of 1981
Lori Reurink
Class of 1978
Ladonn Hanson
Class of 1982
Crystal Klein
Class of 1995
Miranda Feterl
Class of 2004
Crystal Mohrhauser
Class of 2001
Linda Vande Vooren
Class of 1968
Dixie Waugh
Class of 1994