Tri-valley High School Alumni
Colton, South Dakota (SD)
Cathi Costain (Cathi Van Helden)
Tri-valley High School
Class of 1969
→ Join 1302 Alumni from Tri-valley High School that have already claimed their alumni profiles.
→ There are 52 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
Amber Vikander
Class of 2001
Dione Surdez
Class of 1987
Judy Van Duyn
Class of 1972
Cynthia Syndi Schaefer
Class of 1977
Darwin Fritz
Class of 1969
Jenni Gunn
Class of 1981
Bradley Peterson
Class of 1973
Chelsea Puig
Class of 2007
William Morrill
Class of 1988
Tabitha Ordal
Class of 1995
David Reurink
Class of 1968
Paul Meyer (siers)
Class of 1986
Paul Farr
Class of 1983
Rachel Bakker
Class of 2002
Andrew Bethke
Class of 2004
Denise Tellinghuisen
Class of 1981
Kenny Stratton
Class of 1978
Brady Fritz
Class of 2000
