Sentinel High School Alumni
Missoula, Montana (MT)
Ruthanna Costello (Ruthanna Pruyn)
Sentinel High School
Class of 1969
→ Join 2405 Alumni from Sentinel High School that have already claimed their alumni profiles.
→ There are 69 classes, starting with the class of 1919 all the way up to class of 2025.
RUTHANNA'S PROFILE
| First Name | Ruthanna |
| Last Name | Costello |
| Maiden Name | Pruyn |
| Graduation Year | Class of 1969 |
| Gender | Female |
| City | N/A |
| State/Province | TX |
| Country | United States |
| Occupation | Clinical Scientist |
| Married | Yes |
| Favorite School Memory | Riding around in a yellow Jeep with Janel Woodworth |
| About Me | Worked, worked, and worked, and kids and more kids and worked some more.. |
Class of 1969 Alumni
→ Reunite with 43 class of 1969 alumni that have joined.
Jancy Wells
Class of 2010
Doree Taylor
Class of 1980
Susan Nickel
Class of 1973
Kimberlie Miller
Class of 1980
Brandon Hedges
Class of 1993
Heidi Haverfield
Class of 1976
Michael Lawrenson
Class of 1971
Steve Armstrong
Class of 1969
Stan Fullerton Thomas S Fullerton
Class of 1974
Jenna Johnson
Class of 1988
Dan Landl
Class of 1993
Ruth Mitchell
Class of 1919
Allen E Ball
Class of 1964
Gerald (gary) Smith
Class of 1978
Micah Racine
Class of 2013
Sylvia Fitzgerald
Class of 1978
Roxanna Hughes
Class of 1979
Kira Lodge
Class of 1991