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.
Dan Dobbins
Class of 1978
Paul Sattler
Class of 1987
John Newhall
Class of 1993
Fred Hardt
Class of 1978
Ron Roepke
Class of 1987
Melissa Walker
Class of 1987
Linda Harrington
Class of 1972
Michael Jablonski
Class of 1981
Michael Maio
Class of 1980
Diane Stucchio
Class of 1993
Bernadette Mcgay
Class of 1984
Matthew Pfeifer
Class of 1995
Brian Prescott
Class of 1991
Drew Palmer
Class of 1977
Patty Kavanagh
Class of 1989
Tricia Doyle
Class of 1988
Lori Stumpf
Class of 1978
Al Labozzetta
Class of 1980
