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Lake Ronkonkoma, New York (NY)

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William Onderdonk

Sachem High School
Class of 1985

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William Onderdonk - Class of 1985 - Sachem High School
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.
William Onderdonk - Class of 1985 - Sachem High School

Class of 1985 Alumni

→ Reunite with 142 class of 1985 alumni that have joined.

Matt Christophersen

Matt Christophersen
Class of 1988

Doreen Schmitt

Doreen Schmitt
Class of 1983

Luanne Speciale

Luanne Speciale
Class of 1976

Mayer Mayer

Mayer Mayer
Class of 1987

Louise Gallina

Louise Gallina
Class of 1973

Laura Maiorano

Laura Maiorano
Class of 1989

Michael Buttelman

Michael Buttelman
Class of 1979

Bryan Portnoy

Bryan Portnoy
Class of 1990

Peri Edelman

Peri Edelman
Class of 1981

Pat Fields

Pat Fields
Class of 1966

Christopher Schwab

Christopher Schwab
Class of 1996

Paul Hyl

Paul Hyl
Class of 1992

Debra Miller

Debra Miller
Class of 1978

Tammy Castleberry

Tammy Castleberry
Class of 1983

George Winters

George Winters
Class of 1969

Ann Cote

Ann Cote
Class of 1985

Recent Class of 1985 Reunions

Plan a Class of 1985 Reunion for Free

Sachem classes of 1960 to 2010

Invited Classes: All Classes

Date: Apr 27, 2019

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Sachem HS Class of '78 40th Reunion

Invited Classes: All Classes

Date: Aug 11, 2018

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