Sachem High School Alumni
Lake Ronkonkoma, New York (NY)
William Onderdonk
Sachem High School
Class of 1985
→ Join 5855 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 142 class of 1985 alumni that have joined.
Joanna Diego
Class of 2003
Kenneth Langhorn
Class of 1991
Laura Solomon
Class of 1984
Kurt Traynor
Class of 1991
Joseph Faby
Class of 1992
Jennifer Olivia
Class of 1998
Dennis Rogers
Class of 1986
Robert Ciccolella
Class of 1970
Lois Einemann
Class of 1966
Dr. Regina Marie Marotta
Class of 2002
Sue Dodaro
Class of 1981
William Meehan
Class of 1977
Chester Ullrich
Class of 1976
Christine Rea
Class of 1984
Raymond Donack
Class of 1982
Veronica Dieterich
Class of 1994
William Starke Jr
Class of 1982
Darryl Karp
Class of 1987
