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Name High School Grad Year
Nanci Simison Chaffey High School
Nancy Simison Chaffey High School
Tami Simmonds Chaffey High School Class of 1976
Tammi Simmonds Chaffey High School Class of 1976
Dezhion Simmons Chaffey High School
Harry Simmons Chaffey High School Class of 1955
Jacquan Simmons Chaffey High School
Jim Simmons Chaffey High School Class of 1960
Kajuan Simmons Chaffey High School Class of 1997
Shelly Simmons Chaffey High School Class of 1979
Moira Simms Chaffey High School Class of 1953
Sandra Simon Chaffey High School Class of 1978
Nancy Simonson Chaffey High School Class of 1967
Cynthia Simpson Chaffey High School Class of 1973
Michelle Sims Chaffey High School Class of 1993
Shianne Sims Chaffey High School Class of 1997
Rodney Simth Los Osos High School Class of 2011
Vernay Sinclair Chaffey High School
Bonnie Siskowski Chaffey High School Class of 1994
John Sitanilei Chaffey High School Class of 1996
Julie Sitek Chaffey High School Class of 1984
Rod Skates Chaffey High School
Ellen Skelton Chaffey High School Class of 1976
Andrew Skidmore Chaffey High School
Eleanor Skillman Chaffey High School
Amy Skraggs Ontario High School Class of 1988
Florence Slate Chaffey High School Class of 1959
Jeff Slivka Los Osos High School Class of 2012
Glenn Sloat Ontario High School Class of 1981
Saundra Small Chaffey High School Class of 1993
Lela Smalley Ontario High School
Wanza Smiley Chaffey High School Class of 1956
Otto Smit Ontario Christian High School Class of 1968
Bruce Smith Chaffey High School Class of 1963
Carol Smith Valley View High School Class of 1971
Carrie Smith Chaffey High School Class of 1992
Cheryl Smith Chaffey High School Class of 1970
Cierra Smith Ontario High School Class of 2010
Clayton Smith Chaffey High School
Craig Smith Chaffey High School Class of 1970
David Smith Los Osos High School Class of 2000
Demarco Smith Los Osos High School Class of 2011
Gary Smith Chaffey High School
Heather Smith Ontario High School Class of 1991
JaSon Smith Chaffey High School Class of 1997
Kathy Smith Chaffey High School Class of 1969
Kevin Smith Chaffey High School
Kristi Smith Chaffey High School
Leonard Smith Chaffey High School Class of 1940
Lindsey Smith Los Osos High School Class of 2008
Lori Smith Valley View High School Class of 1979
Margaret Smith Chaffey High School Class of 1964
Marlene Smith Chaffey High School
Martha Smith Chaffey High School Class of 1974
Martin Smith Chaffey High School Class of 1988
Melinda Smith Los Osos High School Class of 2009
Michael Smith Chaffey High School
Michelle Smith Valley View High School Class of 1986
Mike Smith Chaffey High School
Patrick Smith Chaffey High School Class of 1991
Paul Smith Chaffey High School Class of 1967
Reunion Smith Ontario High School Class of 1981
Sarah Smith Ontario Christian High School Class of 1995
Shelly Smith Valley View High School Class of 1982
Steve Smith Ontario High School Class of 1988
Tara Smith Ontario High School Class of 1992
Taylor Smith Los Osos High School Class of 2008
Ed Smothers Chaffey High School Class of 1951
Wayne Smothers Chaffey High School Class of 1967
Patrica Smyth Chaffey High School
Carla Snder Chaffey High School Class of 1982
Mickie Snee Chaffey High School Class of 1967
Bill Snell Chaffey High School
Gail Snider Chaffey High School Class of 1964
Gayle Snider Chaffey High School Class of 1964
Lori Snider Chaffey High School Class of 1981
Abdi Snyder Chaffey High School Class of 1987
Carla Snyder Chaffey High School
Cheryl Snyder Chaffey High School Class of 1991
Gayle Snyder Chaffey High School
Kristin Snyder Chaffey High School Class of 1990
Linda Snyder Chaffey High School Class of 1971
Patti Snyder Chaffey High School Class of 1961
Lolofi Soakai Chaffey High School Class of 1998
Evamarie Socarras Chaffey High School
Daniel Solis Chaffey High School
Javier Solis Los Osos High School
Juan Solis Chaffey High School Class of 2003
Karissa Solis Chaffey High School Class of 2010
Katherine Solis Ontario High School Class of 2010
Jessica Solivan Chaffey High School Class of 1993
Julio Solorio Ontario High School
Luis Solorio Ontario High School
Emily Solorzano Ontario Christian High School Class of 2008
Humberto Solorzano Chaffey High School Class of 1995
Robert Somerville Chaffey High School Class of 1975
Elvis Somoza Los Osos High School Class of 2010
Annie Song Chaffey High School Class of 2004
Peter Song Los Osos High School Class of 2008
Justin Soodjinda Los Osos High School Class of 2008
Greg Sorenson Chaffey High School Class of 1972
James Sorg Chaffey High School Class of 1960
Ranferi Soria Chaffey High School Class of 1996
Ruben Soria Chaffey High School Class of 2007
Ericka Sosa Chaffey High School Class of 2011
Jesse Sosa Chaffey High School
Luis Sosa Chaffey High School
Donald Sossamon Chaffey High School Class of 2007
Margie Sotello Chaffey High School
Martin Sotelo Chaffey High School Class of 1989
Anthony Soto Ontario High School
Erick Soto Chaffey High School Class of 2009
Erika Soto Chaffey High School Class of 2009
Jackie Soto Valley View High School Class of 1981
Joseph Soto Chaffey High School Class of 2015
Kim Soto Los Osos High School Class of 2006
Kimberly Soto Los Osos High School Class of 2006
Melissa Soto Chaffey High School Class of 1993
Ricardo Soto Ontario High School
Ricky Soto Chaffey High School Class of 2006
Rosa Soto Ontario High School Class of 2005
Tina Soto Chaffey High School
Yolanda Soto Chaffey High School Class of 1992
Christina Souvatzis Chaffey High School Class of 1981
Susan Spalding Chaffey High School Class of 1976
Cynthia Sparks Chaffey High School Class of 1977
Martin Spasov Los Osos High School Class of 2010
Candy Speaker Chaffey High School Class of 1970
Sally Spear Chaffey High School
Sally Spears Chaffey High School Class of 1978
Steven Speer Chaffey High School Class of 1976
Amber Spencer Chaffey High School
Carrie Spencer Chaffey High School Class of 1983
Steve Spencer Chaffey High School Class of 1984
Edward Spiecer Chaffey High School Class of 1958
Michelle Spiel Chaffey High School Class of 1993
Alan Spivey Chaffey High School Class of 1978
Tina Spoelstra Ontario High School Class of 1979
Gail Spraker Chaffey High School Class of 1967
Christine Spreng Chaffey High School Class of 1973
James Sprinkel Chaffey High School Class of 1955
Catherine Spyce Ontario High School Class of 1965
Jessica Sq Chaffey High School Class of 2007
Gary Squires Chaffey High School Class of 1968
Mike Squires Chaffey High School Class of 1976
Mike Staab Chaffey High School
Rebecca Stallard Chaffey High School Class of 1969
Chris Stamps Chaffey High School Class of 1990
Kathrine Stamps Chaffey High School Class of 1993
Cinthia Standon Chaffey High School Class of 1989
Robert Standon Chaffey High School
Kenneth Stanley Chaffey High School Class of 1958
Karen Stark Chaffey High School
Michael Stark Chaffey High School Class of 1969
Mike Stark Chaffey High School
Alisha Staten Chaffey High School Class of 1978
Michelle States Chaffey High School Class of 1996
Jay Stclair Chaffey High School Class of 1979
Kimberly Stedronsky Ontario High School Class of 2014
Troy Steffen Los Osos High School Class of 2008
Marc Steffler Chaffey High School Class of 1970
Agnes Stein Chaffey High School Class of 1980
Diane Stein Chaffey High School Class of 1963
Ashley Stelzle Valley View High School
Michelle Stemme Chaffey High School Class of 1983
Darlene Stephens Chaffey High School
Marilyn Stephens Chaffey High School Class of 1972
Mary Stephens Chaffey High School Class of 1977
Sherry Stephenson Chaffey High School Class of 1971
Mary Stephins Chaffey High School Class of 1977
John Steritz Chaffey High School Class of 1977
Michele Steslicki Chaffey High School Class of 1985
Michelle Steslicki Chaffey High School Class of 1985
Steve Steslicki Chaffey High School
Steven Steslicki Chaffey High School Class of 1978
Paula Steuben Chaffey High School Class of 1974
Brittney Stevens Los Osos High School
Mark Stevens Chaffey High School Class of 1985
Ruth Stevens Chaffey High School Class of 1940
Casey Stevenson Chaffey High School
Andrew Stewart Chaffey High School
Christina Stewart Ontario High School Class of 2005
Crystal Stewart Chaffey High School Class of 2011
Erin Stewart Chaffey High School Class of 2008
James Stewart Chaffey High School
Jeff Stewart Chaffey High School Class of 1977
Keith Stewart Chaffey High School
Martha Stewart Chaffey High School Class of 1961
Natalie Stewart Chaffey High School Class of 1988
Queena Stewart Los Osos High School Class of 2006
Robert Stewart Los Osos High School Class of 2011
Robert Stewart Chaffey High School Class of 1986
Terry Stewart Chaffey High School Class of 1979
Samantha Stewerts Chaffey High School
Jessica Stienstra Ontario Christian High School
Kylie Stiglbauer Los Osos High School Class of 2012
Jennifer Still Chaffey High School Class of 1992
Beverly Stilwell Ontario High School Class of 1979
David Stobaugh Chaffey High School Class of 1967
Santa Stocking Chaffey High School Class of 1976
David Stockwell Chaffey High School Class of 1955
Gary Stockwell Chaffey High School
Linda Stockwell Chaffey High School Class of 1972
Christopher Stokes Chaffey High School Class of 2009
Lois Stokes Chaffey High School Class of 1946
Lori Stokes Chaffey High School
Louise Stokes Chaffey High School Class of 1956
Charles Stokke Chaffey High School Class of 1960
Mike Stokke Chaffey High School Class of 1977
Johan Stokman Ontario High School Class of 1985
Debra Stone Chaffey High School Class of 1973
Diana Stone Chaffey High School Class of 1973
Robert Stone Chaffey High School Class of 1983
Sharon Stoneburner Chaffey High School Class of 1957
Jerry Stover Chaffey High School Class of 1962
Erica Straley Chaffey High School Class of 2002
Robert Strassenburg Ontario High School
Carolyn Stratton Chaffey High School Class of 1958
Robert Stratton Chaffey High School Class of 1995
Patricia Streifel Chaffey High School Class of 1967
Jennifer Strickland Chaffey High School Class of 1984
Pat Strickland Chaffey High School Class of 1968
Steve Strickland Chaffey High School Class of 1974
Cindy Strong Chaffey High School Class of 1994
Richard Stroter Chaffey High School Class of 1988
Annette Stuart Chaffey High School Class of 1956
Georgia Stubblefield Chaffey High School
Richard Stubblefield Chaffey High School
Kristy Studor Chaffey High School Class of 1987
Angela Stull Ontario High School Class of 1993
Manny Suarez Ontario Christian High School Class of 1972
Christopher Sullivan Los Osos High School Class of 2006
Cynthia Sullivan Chaffey High School Class of 1965
James Sullivan Chaffey High School
Andrew Sura Chaffey High School Class of 1964
Dianne Sutcliffe Chaffey High School Class of 1952

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About Ontario, CA Alumni

The listing of alumni from Ontario, CA includes graduates from 13 schools. To filter results, select a Ontario, CA high school using the links to the right. The Ontario alumni list on this page come from a variety of sources. Clicking one of your friends will give you locations that you can get back in touch with the fellow graduate. To view alumni that graduated in Ontario around your class year, enter your graduation year in the search box at the top of the page. You may also be able to find friends close to your home town. We also have listings for graduates from Upland, CA, Montclair, CA, or Chino, CA.

Approximately 52,200 of residents in Ontario (8%) are the normal age for attending high school (15-19). Also, around 20,100 Ontario residents (3%) are the average age for high school seniors (18-19). Population stats are from the United States Census Bureau.