Tri-valley High School Alumni
Colton, South Dakota (SD)
Cathi Costain (Cathi Van Helden)
Tri-valley High School
Class of 1969
→ Join 1296 Alumni from Tri-valley High School that have already claimed their alumni profiles.
→ There are 50 classes, starting with the class of 1960 all the way up to class of 2016.
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
Karen Fockler
Class of 1961
Deanna Johnson
Class of 1969
Brenda Nelson
Class of 1986
Jodi Neeley
Class of 1988
Laura Swanson
Class of 1992
Tina Christopherson
Class of 1993
Phillip Bassing
Class of 2001
Miranda Feterl
Class of 2004
Steven Gunn
Class of 1976
Kristi Brendtro
Class of 1970
Brett Bunde
Class of 2004
Kristy Qualseth
Class of 1997
Kylie Koch
Class of 1999
Becky Anfinson
Class of 1986
Lori De Jong
Class of 1985
Esther Paulson
Class of 1990
Vicki Heckel
Class of 1968
Brenda Vander Plaats
Class of 1985
Mike Hebert
Class of 1979
Michelle Schoenfelder
Class of 1995
Jeff Rentschler
Class of 1981
Michelle Rembold
Class of 1985
Kathy Kathy Fockler
Class of 1981
Jill Vandervliet
Class of 2000