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Name High School Grad Year
Ron Scott Chaffey High School Class of 1965
Taquilla Scott Valley View High School Class of 1997
Tavares Scott Chaffey High School
Tedy Scott Chaffey High School Class of 1987
Text Scott Chaffey High School Class of 1987
Dorothy Scoville Chaffey High School Class of 1963
Mark Scragg Ontario High School Class of 1988
Larry Scroggins Chaffey High School Class of 1969
David Scruggs Chaffey High School Class of 1971
Jason Seaman Chaffey High School
Krissy Seaman Chaffey High School Class of 1988
Bob Sebro Chaffey High School Class of 1977
Sylvia Sedkachek Chaffey High School Class of 1981
Sylvia Sedlachek Chaffey High School Class of 1981
Ernie See Chaffey High School Class of 1989
Darla Seely Valley View High School Class of 1978
Preston Seely Chaffey High School Class of 1960
Bobby Segura Chaffey High School Class of 1985
Rebecca Segura Chaffey High School Class of 2008
Ritchey Segura Ontario High School
Ronnie Segura Ontario High School
Terry Segura Chaffey High School Class of 1986
Shari Selvy Chaffey High School Class of 1972
David Sembering Chaffey High School Class of 1998
Leanne Semon Chaffey High School
Souphith Sengsourichanh Chaffey High School Class of 1979
Laura Serna Chaffey High School Class of 1990
Erick Serrano Valley View High School Class of 2015
Kristina Sestay Los Osos High School
Betty Setaro Chaffey High School Class of 1975
Kenton Sevein Chaffey High School Class of 1954
Gary Sevick Chaffey High School Class of 1968
Nicole Sewell Ontario High School Class of 1991
Linda Sewnson Chaffey High School Class of 1961
Gary Sexton Chaffey High School Class of 1971
Scott Sexton Chaffey High School Class of 1964
Susan Sexton Chaffey High School Class of 1970
Trisha Sexton Chaffey High School Class of 1991
Erik Sgro Chaffey High School
Beth Shackleford Chaffey High School Class of 1975
Sadaf Shalchian Los Osos High School
Myra Shallan Los Osos High School Class of 2008
Christopher Shampine Los Osos High School Class of 2004
Megan Shamy Los Osos High School Class of 2009
Brooke Shanks Los Osos High School Class of 2003
Robin Shannon Chaffey High School Class of 1976
Albert Sharp Chaffey High School
Enid Sharp Chaffey High School Class of 1932
Kevin Sharp Ontario High School Class of 1974
Robert Sharp Chaffey High School Class of 1984
Sharon Sharp Chaffey High School Class of 1973
Talya Sharps Los Osos High School Class of 2012
Durrill Shattuck Chaffey High School Class of 1981
Cinnamon Shaw Chaffey High School
Greg Shaw Ontario High School
Kelly Shaw Los Osos High School
Luana Shaw Chaffey High School Class of 1956
Courtney Shearer Los Osos High School Class of 2006
Garrett Sheer Los Osos High School Class of 2010
Larry Shell Chaffey High School Class of 1978
Jerry Shelton Chaffey High School Class of 1971
Kay Sherbon Chaffey High School Class of 1957
Donna Sheridan Chaffey High School Class of 1962
Julie Sheridan Chaffey High School Class of 1993
Crystal Sherman Chaffey High School Class of 1999
Connie Shermerhorn Chaffey High School Class of 1965
Christine Shiao Los Osos High School Class of 2009
Erica Shimco Los Osos High School
Karissa Shimco Los Osos High School
Eric Shimizu Ontario High School Class of 2003
Parinita Shinde Los Osos High School Class of 2008
James Shine Valley View High School Class of 1978
Chitose Shirane Ontario High School Class of 1941
Eileen Shirley Chaffey High School Class of 1970
Eillen Shirley Chaffey High School Class of 1970
Luella Shirley Chaffey High School Class of 1925
Henry Shores Chaffey High School Class of 1968
Christine Short Chaffey High School
Emily Short Chaffey High School Class of 1985
Michael Short Chaffey High School Class of 1977
Stephen Short Los Osos High School Class of 2010
John Shorts Valley View High School Class of 2011
Rick Shotts Chaffey High School Class of 1972
Ron Shotts Chaffey High School Class of 1965
Melody Shoup Chaffey High School Class of 1975
Howard Shrader Ontario High School Class of 1962
Rhyan Shy Los Osos High School Class of 2008
Jacky Sibrian Chaffey High School
Marion Sicosky Chaffey High School Class of 1938
Joni Siegel Chaffey High School Class of 1978
Kathy Siegersma Chaffey High School Class of 1957
Lane Sierra Chaffey High School
Betty Signario Chaffey High School Class of 1942
Christa Silva Chaffey High School Class of 1995
Daniel Silva Chaffey High School Class of 1999
Denise Silva Chaffey High School Class of 2007
Erika Silva Chaffey High School Class of 2001
Gabriel Silva Chaffey High School Class of 1978
Jose Silva Chaffey High School Class of 1981
John Simard Chaffey High School Class of 1986
Christopher Sime Chaffey High School Class of 2005
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
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
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
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
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

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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.