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.
Tom Morris
Class of 1970
Jennifer Geddes
Class of 1991
Dan Meaney
Class of 2001
Charlie Matranga
Class of 1987
John Turner
Class of 1980
Thomas Jockin
Class of 2004
James Peppers
Class of 2005
Rebecca Saunders
Class of 1990
Nat Ierardi
Class of 1972
Paul Goncalves
Class of 1991
Mike Johnson
Class of 1994
Melissa Graves
Class of 1982
Lorraine Owen
Class of 1964
Patrice Courcelle
Class of 1976
Connie Salage
Class of 1975
Tina Catanzano
Class of 1983
Daniel Paquette
Class of 1969
Jeff Goodman
Class of 1972
