Tri-valley High School Alumni
Colton, South Dakota (SD)
Mark Koopman
Tri-valley High School
Class of 1988
→ Join 1307 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.
MARK'S PROFILE
| First Name | Mark |
| Last Name | Koopman |
| Graduation Year | Class of 1988 |
| Gender | Male |
| City | N/A |
| State/Province | CO |
| Country | United States |
| Occupation | Assistant Principal/AD |
| Married | Yes |
| Favorite School Memory | Telling Mrs. Schultz the red bandana around her neck looked like a "slow moving vehicle" sign when she was pregnant |
| About Me | Education...I have been in school (taking classes, teaching classes, coaching, or administration) |
Class of 1988 Alumni and Other Nearby Classes
→ Reunite with 10 class of 1988 alumni that have joined.
Wes Rieck
Class of 1975
Bonnie Randall
Class of 1986
Steven Gunn
Class of 1976
Jill Vandervliet
Class of 2000
Richard Strenge
Class of 1968
Wendy Mohrhauser
Class of 1999
Paul Farr
Class of 1983
Peggy Ordal
Class of 1999
Jill Berge
Class of 1977
Dianne Benson
Class of 1970
Melanie Duimstra
Class of 1968
Kylie Koch
Class of 1999
Lessa Duimstra
Class of 1968
Greg Swier
Class of 1982
William Williams
Class of 2001
Kristi Brendtro
Class of 1970
Cynthia Syndi Schaefer
Class of 1977
Amanda Mcfarlane
Class of 1998
