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Name High School Grad Year
Bobby Clauser Ontario Christian High School Class of 1964
James Clay Chaffey High School Class of 1964
Paul Claysens Chaffey High School Class of 1971
Israel Clayton Los Osos High School Class of 1996
Karen Clayton Chaffey High School
Larry Clement Chaffey High School Class of 1974
Taeshawna Clemmons Ontario High School Class of 1996
Beverly Clevenger Chaffey High School Class of 1962
Beverly Cliburn Chaffey High School Class of 1966
Raymond Cliburn Chaffey High School Class of 1957
Anita Clifton Chaffey High School Class of 1966
Michael Clovis Chaffey High School Class of 1997
Tracy Clowerd Chaffey High School Class of 1983
Juan Co Chaffey High School Class of 2008
Rebecca Co Chaffey High School Class of 1978
Tessie Coates Ontario High School Class of 1986
Debbie Coats Chaffey High School Class of 1971
Robert Coats Chaffey High School Class of 1970
Nayeli Cobarrubias San Antonio Sda Junior Academy Class of 2010
Patty Cocek Chaffey High School Class of 1981
DeAnne Cochrane Chaffey High School Class of 1957
Kaelin Cochrane Ontario High School Class of 2010
Samantha Cocker Ontario High School
Gary Cockrum Los Osos High School Class of 2013
Kevin Coelho Valley View High School Class of 2009
Dan Coffey Chaffey High School
Jimmy Colato Ontario High School
Christopher Cole Ontario High School Class of 2010
Jennifer Cole Chaffey High School Class of 1994
Charie Coleman Chaffey High School Class of 1990
Paula Coleman Chaffey High School Class of 1955
Beatrice Colemen Chaffey High School
Nancy Colin Chaffey High School
Chris Collar Ontario High School Class of 2012
Lizet Collazo Chaffey High School Class of 2003
Phyllis Collier Chaffey High School Class of 1957
Sharon Collier Chaffey High School
Jasmine Collin Canyon View High School
Brandy Collins Los Osos High School Class of 2006
Evelyn Collins Valley View High School Class of 1990
Jean Collins Valley View High School Class of 1977
John Collins Chaffey High School Class of 1997
Pam Collins Chaffey High School Class of 1983
Susan Collins Chaffey High School Class of 1973
Jonathan Colorado Chaffey High School Class of 2008
Debbie Colton Chaffey High School Class of 1970
Michelle Colucci Los Osos High School Class of 2006
Thomas Columbo Chaffey High School Class of 1980
Harold Combs Canyon View High School
Zac Compos Los Osos High School Class of 1994
Skip Comstock Chaffey High School
Maria Conarroe Valley View High School Class of 2007
Colleen Connick Chaffey High School Class of 1983
Mike Connor Chaffey High School Class of 1981
Emilio Consonni Ontario High School Class of 1990
Cindy Constantino Chaffey High School Class of 1969
Alexandra Contreras Chaffey High School Class of 2009
Candace Contreras Chaffey High School Class of 2003
Carla Contreras Chaffey High School Class of 2006
Griselda Contreras Chaffey High School Class of 2008
Jasmin Contreras Chaffey High School Class of 2011
Luisa Contreras Chaffey High School Class of 2001
Marisela Contreras Chaffey High School Class of 1993
Roxanne Contreras Chaffey High School
Mike Conway Chaffey High School Class of 1958
Patrick Conway Chaffey High School Class of 1964
Craig Cook Chaffey High School Class of 1980
Jon Cook Chaffey High School Class of 2002
Jonathan Cook Chaffey High School Class of 2002
Suie Cook Chaffey High School Class of 1977
Christopher Cooke Ontario High School Class of 1994
Michele Coon Chaffey High School Class of 1991
Michelle Coon Chaffey High School Class of 1991
Brenda Cooper Chaffey High School Class of 1975
Carla Cooper Chaffey High School Class of 1968
Emily Cooper Ontario High School Class of 2003
James Cooper Ontario High School Class of 1983
Mario Cooper Ontario High School Class of 1996
Michelle Cooper Chaffey High School Class of 1964
Pamela Cooper Chaffey High School Class of 1972
Ryan Cooper Los Osos High School Class of 2009
Amanda Copas Los Osos High School Class of 2009
Jessica Cope Chaffey High School Class of 1996
Glenn Copeland Chaffey High School
Linda Copeland Ontario High School Class of 1969
Sandra Copeland Chaffey High School Class of 1972
Sandy Copeland Chaffey High School
Angel Cordero Chaffey High School
Lovetta Cordero Los Osos High School Class of 2008
David Cordova Ontario High School Class of 1987
Nimia Cordova Chaffey High School Class of 1986
Rober Cordova Chaffey High School
Roberto Cordova Chaffey High School Class of 1977
Victoria Cordova Valley View High School Class of 1988
Melissa Core Chaffey High School Class of 1973
Romulo Corinado Ontario High School Class of 2004
Michelle Corlew Ontario High School Class of 2004
Bob Corn Chaffey High School Class of 1958
Rae Corn Chaffey High School Class of 1962
Pam Cornelison Chaffey High School Class of 1983
David Corona Ontario High School Class of 2000
Juan Corona Ontario High School Class of 2016
Isaac Coronado Chaffey High School Class of 1985
Romulo Coronado Ontario High School Class of 2001
Sara Coronado Chaffey High School
Beatrice Corpus Chaffey High School Class of 1975
Imelda Corral Chaffey High School Class of 1999
Cynthia Corrales Chaffey High School Class of 2000
Gabriela Cortes Chaffey High School Class of 2002
Crystal Cortez Ontario High School
Daniel Cortez Chaffey High School Class of 1964
David Cortez Chaffey High School Class of 1988
Eric Cortez Chaffey High School
Eric Cortez Valley View High School Class of 1993
George Cortez Ontario High School
Gloria Cortez Chaffey High School Class of 2004
Jeremy Cortez Chaffey High School Class of 1993
Jesus Cortez Chaffey High School Class of 2012
Karin Cortez Chaffey High School
Lisa Cortez Chaffey High School Class of 1987
Mario Cortez Chaffey High School Class of 2002
Mayra Cortez Chaffey High School Class of 2002
Nancy Cortez Ontario High School
Ri Cortez Ontario High School Class of 1984
Salvador Cortez Ontario High School Class of 1998
Denise Corwin Chaffey High School Class of 1979
Michael Corwin Chaffey High School Class of 1977
Leslie Cory Chaffey High School Class of 1987
Dean Cosanella Los Osos High School Class of 1981
Janis Cosma Chaffey High School Class of 1960
Cindy Cosner Chaffey High School Class of 1980
Cynthia Cosner Chaffey High School Class of 1980
Dennis Costantino Chaffey High School Class of 1972
Hector Costello Chaffey High School Class of 1986
Roger Cotterman Chaffey High School
Susan Cotterman Chaffey High School
Ben Cotton Ontario High School
Royce Cotton Ontario High School Class of 1971
Albert Cottrell Chaffey High School Class of 1998
Sylvia Couzins Chaffey High School Class of 1959
Fernando Cova Chaffey High School Class of 2008
Ana Covarrubias Chaffey High School Class of 2000
Gerald Covarrubias Chaffey High School Class of 1994
Joseph Covarrubias Los Osos High School Class of 2013
Oscar Covarrubias Valley View High School Class of 2013
Bryce Covington Los Osos High School
Kimberly Cowin Ontario High School Class of 1996
Nicole Cox Los Osos High School Class of 2011
Mike Coyle Chaffey High School Class of 1982
Donna Craig Chaffey High School
Jamie Craig Ontario Christian High School Class of 1995
Dina Crail Chaffey High School Class of 1992
Linda Cramer Chaffey High School Class of 1964
Richard Crandall Chaffey High School Class of 1959
Rick Crane Chaffey High School Class of 1978
Brian Crank Ontario High School Class of 1992
Bettina Crawford Ontario High School Class of 1971
Fidel Crawford Ontario High School Class of 1979
Lynda Crawford Chaffey High School Class of 1965
Tameka Crawford Chaffey High School
Thomas Crawford Chaffey High School Class of 1967
Anthony Crawley Chaffey High School Class of 1981
James Cribb Chaffey High School Class of 1978
Wayne Cribb Chaffey High School Class of 1980
Richard Cripps Ontario High School Class of 1982
Rosie Cristo Chaffey High School Class of 1990
Buccat Cristy Chaffey High School
William Crockett Ontario High School
Davi Cromer Chaffey High School
Glenn Cross Chaffey High School Class of 1952
James Cross Ontario High School Class of 1987
Tiffany Crowe Los Osos High School Class of 2007
Jeremy Crumpton Chaffey High School
Breanna Crus Los Osos High School
Jose Crux Chaffey High School Class of 2007
Anthony Cruz Los Osos High School
Breanna Cruz Los Osos High School
David Cruz Chaffey High School Class of 1998
Guadalupe Cruz Chaffey High School Class of 2008
Juana Cruz Ontario High School Class of 1999
Julie Cruz Ontario High School Class of 1989
Maiquel Cruz Canyon View High School
Natalie Cruz Los Osos High School Class of 2007
Patricia Cruz Ontario High School Class of 1997
Rhadora Cruz Chaffey High School Class of 1995
Sharon Cruz Chaffey High School Class of 1969
Shelley Cruz Valley View High School Class of 1998
Suzie Cruz Chaffey High School Class of 2007
John Cuccia Chaffey High School Class of 1967
Teresa Cuccia Chaffey High School
Jessica Cuellar Chaffey High School Class of 2008
Jose Cuellar Chaffey High School Class of 2003
Alejandra Cuevas Chaffey High School Class of 2009
Crystal Cuevas Chaffey High School Class of 1999
Hector Cuevas Los Osos High School Class of 2005
Maria Cuevas Chaffey High School Class of 2008
Rafael Cuevas Chaffey High School Class of 2003
Ricky Cuevas Chaffey High School Class of 2002
Ruben Cuevas Chaffey High School Class of 2002
Jeff Culcoski Chaffey High School Class of 1990
Jeffrey Culkolsky Chaffey High School
Shannon Cummings Chaffey High School
April Cummins Chaffey High School
Craig Cunningham Chaffey High School Class of 1980
Kim Cunningham Chaffey High School Class of 1979
Mary Cunningham Chaffey High School Class of 1984
Osvaldo Curiel Ontario High School
Jared Currier Chaffey High School Class of 1998
Jean Curry Chaffey High School
Maya Curry Chaffey High School Class of 2003
Phyllis Curteman Chaffey High School Class of 1951
Brea Curtis Chaffey High School Class of 1993
Gabriella Curtis Ontario High School Class of 2004
Michael Curtis Chaffey High School Class of 1993
Michael Curtis Los Osos High School Class of 2000
Rene Curvas Chaffey High School Class of 2000
Karen Cutshall Chaffey High School Class of 1975
Rose Cutuli Chaffey High School Class of 1948
Rosie Cutuli Chaffey High School Class of 1948
Breanna Cuz Los Osos High School
Raelene Dacus Ontario High School Class of 1976
Chris Daffron Chaffey High School Class of 1998
Debbie Dagley Chaffey High School Class of 1981
Sandra Dagley Chaffey High School Class of 1980
Kaila Daily Ontario High School Class of 2000
Barbara Dainels Ontario High School Class of 1970
Brandie Dale Chaffey High School Class of 1990
Courtney Dale Los Osos High School Class of 2014
Heather Dall Ontario Christian School Class of 1995
Domenicca Dalla Chaffey High School
Paul Dalterio Chaffey High School Class of 1958
Lori Dalton Los Osos High School Class of 2010
Raymnd Dalton Ontario High School Class of 2003
William Dame Chaffey High School Class of 1981
Mathew Damico Ontario High School Class of 2003
Michael Damico Ontario High School Class of 2001
Joelle Dang Ontario High School Class of 2017
Linda Dang Ontario High School Class of 2004

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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.