Sachem High School Alumni
Lake Ronkonkoma, New York (NY)
William Onderdonk
Sachem High School
Class of 1985
→ Join 5815 Alumni from Sachem High School that have already claimed their alumni profiles.
→ There are 66 classes, starting with the class of 1958 all the way up to class of 2024.
WILLIAM'S PROFILE
| First Name | William |
| Last Name | Onderdonk |
| Graduation Year | Class of 1985 |
| Gender | Male |
| Hometown | Holbrook, New York |
| Relationship Status | Married |
| About Me | Living and working in beautiful Lancaster County, PA. |
Class of 1985 Alumni
→ Reunite with 141 class of 1985 alumni that have joined.
Jenn Acevedo
Class of 1994
Mary Wahba
Class of 1990
James Orrach
Class of 1976
James Fairman
Class of 1965
Stephen Parella
Class of 1976
Lou Deguiceis
Class of 1984
Joe Tangel
Class of 1996
Larry Schoen
Class of 1975
Tracianne Hopper
Class of 1989
Debbie Lenane
Class of 1976
Greg Stack
Class of 1975
Edna Rogers
Class of 1980
Richard Stark
Class of 1993
Howard Boughey
Class of 1964
Corey Mcmanus
Class of 1988
Kevin Clampitt
Class of 2001
Stacy Lyons
Class of 1986
Denise Cleary
Class of 1997
