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Name High School Grad Year
Christine Castro Ontario High School Class of 1972
Justyce Castro Los Osos High School Class of 2010
Diana Cates Chaffey High School Class of 1963
Marilyn Catte Chaffey High School Class of 1958
Veronica Cazares Valley View High School Class of 1989
Richard Ceballos Ontario High School Class of 1988
Bj Cecena Los Osos High School Class of 2002
Jose Ceja Chaffey High School Class of 2005
Karen Celestino Chaffey High School Class of 1973
Joe Cello Chaffey High School Class of 1977
Sandy Cello Chaffey High School Class of 1971
Eric Cendejas Chaffey High School Class of 2011
Ranne Cer Chaffey High School Class of 1984
Brenda Cervantes Ontario High School Class of 2010
John Cervantes Los Osos High School Class of 2006
Jose Cervantes Chaffey High School Class of 2000
Maria Cervantes Ontario High School Class of 1997
Patricia Cervantes Ontario High School Class of 2008
Rodrigo Cervantes Chaffey High School Class of 1991
Alejandro Chacon Chaffey High School Class of 2013
Debbie Chaffey Chaffey High School Class of 1968
Herbert Chaffin Chaffey High School Class of 1953
Dixie Chambers Chaffey High School Class of 1994
Cathy Champ Chaffey High School Class of 1967
Chris Champagne Los Osos High School Class of 2005
James Chandler Ontario High School Class of 1975
Jennifer Chandler Chaffey High School Class of 1988
Jin Chang Los Osos High School Class of 2011
Daniel Chapero Chaffey High School Class of 2016
Janice Chapman Chaffey High School Class of 1983
Jerry Chapman Chaffey High School
John Chapman Chaffey High School Class of 1996
Sam Chappell Ontario Christian High School
Mark Chase Los Osos High School Class of 2006
David Chastain Chaffey High School Class of 1972
Catrina Chatman Los Osos High School Class of 2007
Julio Chavarria Chaffey High School Class of 1999
Socorro Chavarris Ontario High School Class of 1976
Brook Chaves Ontario High School
Alma Chavez Chaffey High School Class of 1998
Alyssa Chavez Los Osos High School Class of 2015
Angie Chavez Chaffey High School Class of 1980
Daniel Chavez Ontario High School Class of 2009
Erika Chavez Chaffey High School
Fidel Chavez Chaffey High School Class of 1999
John Chavez Ontario High School
Kathy Chavez Chaffey High School Class of 1976
Kristian Chavez Chaffey High School Class of 1994
Luz Chavez Chaffey High School Class of 2006
Michael Chavez Ontario High School Class of 1998
Norma Chavez Chaffey High School Class of 1969
Sofia Chavez Chaffey High School Class of 2003
Susy Chavez Chaffey High School Class of 2000
Terry Chavez Chaffey High School Class of 1979
Virginia Chavez Ontario High School Class of 2015
Walter Chavez Chaffey High School Class of 1976
Jacob Chavira Chaffey High School Class of 2013
Anabel Chavoya Chaffey High School Class of 1982
Baljit Cheema Chaffey High School Class of 2004
Ronald Chen Ontario High School Class of 1993
Terri Chenney Chaffey High School Class of 1978
William Chetney Chaffey High School
Raymond Chevraux Chaffey High School Class of 1989
Zhou Chi Los Osos High School Class of 2016
Ryan Chico Los Osos High School Class of 2009
Anelia Chihuahua Valley View High School Class of 2009
John Chimber Chaffey High School
Amanda Chism Chaffey High School Class of 2009
Chris Cho Los Osos High School Class of 2008
Robin Chocran Chaffey High School
Jeffrey Chodos Los Osos High School Class of 2015
Amy Choi Chaffey High School Class of 1992
Younghoon Choi Los Osos High School Class of 2009
Alissa Chow Chaffey High School
Michelle Christensen Chaffey High School Class of 1988
Jason Christy Chaffey High School Class of 2001
Mary Church Chaffey High School Class of 1977
Anthony Ciccione Chaffey High School Class of 1972
Nicholas Cichella Los Osos High School Class of 2011
Verenice Cipres Chaffey High School Class of 2006
Monica Cisneros Chaffey High School
Rene Cisneros Chaffey High School Class of 2002
Steve Cisneros Chaffey High School Class of 1998
Rachel Clapp Chaffey High School Class of 1988
Allison Clark Los Osos High School Class of 2009
Barbara Clark Chaffey High School Class of 1968
Chris Clark Chaffey High School Class of 2007
Javette Clark Chaffey High School Class of 1999
JoLene Clark Chaffey High School
Judith Clark Chaffey High School Class of 1958
Kimberly Clark Ontario High School
Linda Clark Chaffey High School Class of 1971
Marissa Clark Los Osos High School
Robert Clark Chaffey High School Class of 1972
Tara Clark Chaffey High School Class of 1977
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
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
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
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
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
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
Marisela Contreras Chaffey High School Class of 1993
Roxanne Contreras Chaffey High School
Mike Conway Chaffey High School Class of 1958
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
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
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
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
Isaac Coronado Chaffey High School Class of 1985
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
Albert Cottrell Chaffey High School Class of 1998
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

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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.