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Name High School Grad Year
Robert Kelley Chaffey High School Class of 1963
Pat Kelly Chaffey High School Class of 1968
Peggy Kelly Chaffey High School Class of 1964
Dorian Kelsey Los Osos High School Class of 2011
Marcia Keltner Chaffey High School Class of 1965
Susie Kendrick Chaffey High School Class of 1953
Ed Kennedy Chaffey High School Class of 1966
Sherise Kennedy Los Osos High School Class of 2006
Huey Kenny Chaffey High School Class of 1962
Nancy Kent Ontario High School Class of 1987
Kimberly Kern Chaffey High School Class of 1980
Cheryl Kerns Chaffey High School Class of 1979
Vern Kerr Chaffey High School Class of 1961
Shawna Keser Chaffey High School Class of 1992
Cathy Kesler Chaffey High School Class of 1978
Diane Kessler Chaffey High School Class of 1978
Jacquelyn Kessler Chaffey High School
Wittenburg Kevin Los Osos High School Class of 2006
Sally Keyworth Chaffey High School
Sarah Keyworth Chaffey High School Class of 1960
Roma Khan Ontario High School Class of 2002
Marina Khareksiyan Los Osos High School
Fahad Khawaja Los Osos High School Class of 2013
Angel Khov Los Osos High School Class of 2012
Nick Khun Los Osos High School
Denise Kight Chaffey High School Class of 1980
Gail Kilgore Chaffey High School Class of 1975
Jackie Killam Chaffey High School
Roger Killam Chaffey High School Class of 1982
Christina Kim Los Osos High School Class of 2006
Christine Kim Los Osos High School Class of 2006
Jason Kim Los Osos High School Class of 2009
Newsome Kim Chaffey High School Class of 1978
Su Kim Los Osos High School Class of 2007
Curtis Kime Ontario High School Class of 2012
Anne King Chaffey High School Class of 1967
Brent King Los Osos High School Class of 2010
Carol King Ontario High School
Kristin King Chaffey High School Class of 1998
Krystina King Los Osos High School Class of 2007
Mark King Chaffey High School Class of 1952
Terry King Chaffey High School Class of 1966
Robert Kinghorn Chaffey High School Class of 1963
Sylvia Kinne Chaffey High School Class of 1939
Beverly Kirby Chaffey High School Class of 1953
Robert Kirk Ontario High School Class of 1964
Georgia Kirka Chaffey High School Class of 1964
Romina Kirkham Ontario High School Class of 1990
Kimberly Kirkland Los Osos High School Class of 2011
Michelle Kiser Chaffey High School Class of 1993
Steven Kiss Chaffey High School Class of 1993
Vera Klassen Chaffey High School Class of 1966
Greg Kleiman Chaffey High School
Norman Klein Chaffey High School
Julie Kleist Ontario High School Class of 1996
Susan Klien Chaffey High School
Cynthia Klins Chaffey High School Class of 1973
Jeff Knoche Chaffey High School Class of 1979
Linda Know Chaffey High School
Kevin Knutson Ontario Christian High School Class of 2002
Ja Ko Chaffey High School Class of 1978
Raymond Koehler Valley View High School Class of 1968
Karen Kohler Chaffey High School Class of 1981
Bud Kolar Chaffey High School Class of 1971
Jane Koning Ontario High School
Ruth Koning Ontario Christian School Class of 1985
Sean Konkel Los Osos High School Class of 2007
Robert Koop Chaffey High School Class of 1975
Lawrence Korchet Chaffey High School Class of 1964
Brian Kornelsom Los Osos High School Class of 1983
Klayton Korstjens Chaffey High School Class of 2001
Karen Kostelnik Chaffey High School Class of 1967
Elias Kota Chaffey High School
Ja Kota Chaffey High School
Gary Koustick Chaffey High School Class of 1978
Bette Kovalcheck Chaffey High School Class of 1967
Matthew Kovats Chaffey High School Class of 1996
John Kozyra Chaffey High School
Andrew Kraft Los Osos High School Class of 2007
Diane Kraft Ontario High School Class of 1973
John Kramer Chaffey High School Class of 1978
Wendee Kramer Chaffey High School
Kathy Krause Chaffey High School Class of 1982
Karen Kretchmer Chaffey High School Class of 1970
April Krowel Ontario High School Class of 2007
Joanna Krowel Ontario High School Class of 2007
Justin Krowel Ontario High School Class of 2007
Kevin Krowel Ontario High School Class of 2007
Amdrew Kruse Los Osos High School Class of 2013
Janet Kuhns Chaffey High School Class of 1957
Jeff Kukulka Chaffey High School Class of 1977
Jeff Kukulowicz Chaffey High School
Gayle Kurdis Chaffey High School Class of 1969
Darla Kurtz Chaffey High School Class of 1972
Vanessa Kuster Chaffey High School Class of 2008
Lorelei Labarge Chaffey High School Class of 1975
David Labby Chaffey High School Class of 1987
Daniel Labrada Ontario High School Class of 1993
Danny Labrada Ontario High School Class of 1993
Bobbie Lacefield Chaffey High School Class of 2000
Gina Ladesma Chaffey High School Class of 1985
Joe Ladesma Chaffey High School Class of 1976
Ignacio Lagunas Valley View High School Class of 1999
Brian Lai Los Osos High School Class of 2010
Anthony Laija Chaffey High School Class of 2005
Henry Laine Chaffey High School Class of 1969
Onyal Lamaster Chaffey High School Class of 1949
Joanne Lambert Chaffey High School Class of 1983
Russ Lambeth Chaffey High School Class of 1965
Shirley Lambeth Chaffey High School Class of 1957
James Lambright Chaffey High School Class of 1964
Ric Lancaster Ontario High School Class of 1969
Robert Lancaster Chaffey High School Class of 1964
Cheryl Lance Ontario High School Class of 1972
Trittipo Lance Chaffey High School Class of 1968
Camilia Land Chaffey High School
Maria Landeros Ontario High School Class of 1996
Mariana Landeros Chaffey High School
Roy Landgrave Chaffey High School Class of 1987
Robin Lane Chaffey High School Class of 2003
Paul Lang Chaffey High School Class of 1963
Charlene Lange Chaffey High School Class of 1973
John Lange Chaffey High School
Jeannette Langston Chaffey High School Class of 1954
Meyer Lansky Ontario Christian High School Class of 1976
Valerie Lanue Chaffey High School Class of 1956
Valiery Lanue Chaffey High School Class of 1956
Richard Lapiers Chaffey High School Class of 1974
Karen Laporte Chaffey High School Class of 1968
Armando Lara Valley View High School Class of 2012
Laura Lara Los Osos High School Class of 2012
Rebecca Lara Chaffey High School Class of 2002
Darlene Large Chaffey High School Class of 1993
Debra Large Chaffey High School Class of 1966
Ana Larios Chaffey High School
Joseph Larios Chaffey High School Class of 2014
Amanda Larouque Ontario High School Class of 2001
Jenkins Larry Chaffey High School Class of 1987
Brett Larsen Valley View High School Class of 1984
Cynthia Larson Chaffey High School Class of 1958
Shelly Larson Chaffey High School
Mark Lassiter Chaffey High School Class of 1974
Joe Latham Chaffey High School Class of 1971
Maggie Latimer Chaffey High School Class of 1978
Melissa Latimer Chaffey High School
Anderson Laurie Chaffey High School Class of 1999
Benjamin Lautenslager Chaffey High School Class of 1988
Margo Lauterer Ontario High School Class of 1990
Ixchel Lavana Chaffey High School Class of 2013
Denise Lawrence Chaffey High School Class of 1970
James Lawrence Chaffey High School Class of 1969
Michelle Lawrence Chaffey High School Class of 1980
Sandra Lawrence Chaffey High School Class of 1974
Candace Lawson Ontario High School Class of 1972
Candice Lawson Ontario High School Class of 1969
Gary Lawson Chaffey High School Class of 1972
John Lawson Chaffey High School Class of 1974
Renee Lawson Chaffey High School Class of 1998
Sharon Lay Chaffey High School
Barbara Laycock Chaffey High School Class of 1967
Archie Leach Ontario High School Class of 1986
Brian Leahy Ontario High School
Cinthia Leal Chaffey High School Class of 2003
Gerald Leboeuf Chaffey High School Class of 1987
Aldabertha Lecia Chaffey High School Class of 1986
Wayne Leckie Ontario High School Class of 1976
Francine Leclaire Ontario High School Class of 1972
Carol Ledbetter Chaffey High School Class of 1943
Alexandra Ledesma Chaffey High School Class of 2007
Antonio Ledesma Valley View High School Class of 2012
Tyler Ledesma Ontario High School Class of 2008
Connie Ledig Chaffey High School Class of 1951
Adrian Lee Los Osos High School
Andrew Lee Los Osos High School Class of 2011
Bill Lee Chaffey High School
David Lee Chaffey High School Class of 1982
Jongseob Lee Los Osos High School Class of 2007
Joon Lee Los Osos High School Class of 2009
Michelle Lee Chaffey High School Class of 1980
Richard Lee Los Osos High School Class of 2006
Sam Lee Los Osos High School Class of 2010
Crystal Leech Chaffey High School Class of 2004
Susan Leenerts Chaffey High School
Kenneth Lefler Chaffey High School Class of 1982
Scott Legrand Chaffey High School Class of 1976
Jay Lehar Chaffey High School Class of 1987
Kimberly Lehor Chaffey High School Class of 1984
David Lei Chaffey High School
Erin Leman Chaffey High School Class of 1973
Greg Lemoms Chaffey High School Class of 1966
Jennifer Lemos Chaffey High School Class of 1999
Cory Lennon Chaffey High School Class of 1990
Ingrid Lenoir Ontario High School
Alexandra Leon Chaffey High School Class of 1966
Alexis Leon Chaffey High School Class of 2006
Antonio Leon Chaffey High School Class of 1992
Armando Leon Chaffey High School Class of 1993
Brandon Leon Chaffey High School Class of 2014
Gabby Leon Los Osos High School Class of 2006
Jessica Leon Chaffey High School Class of 2011
Jose Leon Ontario High School Class of 1989
Nadia Leon Chaffey High School Class of 2006
Paul Leon Canyon View High School
Chantelle Lepe Ontario High School Class of 2010
Linda Lesh Chaffey High School Class of 1983
Jason Lesher Chaffey High School Class of 1991
Muriel Leslie Chaffey High School Class of 1943
John Lesondak Chaffey High School Class of 1969
Thomas Lett Chaffey High School Class of 1974
Mike Levacy Chaffey High School
Jonathan Levy Ontario High School Class of 2000
Brian Lewis Chaffey High School Class of 1984
Gail Lewis Chaffey High School Class of 1969
Jean Lewis Chaffey High School Class of 1963
Karen Lewis Chaffey High School
Kim Lewis Chaffey High School Class of 1991
Lynn Lewis Chaffey High School Class of 1953
Lynne Lewis Chaffey High School
Paula Lewis Chaffey High School Class of 1964
Shelley Lewis Chaffey High School
Victor Lewis Valley View High School
Nick Leyva Chaffey High School
Barry Licata Chaffey High School Class of 1968
Sharon Lichlyter Chaffey High School Class of 1962
Eric Liedahl Valley View High School Class of 1992
Alex Liemon Chaffey High School
Brad Lieter Ontario High School Class of 1984
Shannon Lightfoot Ontario High School Class of 2008
Rose Liles Chaffey High School Class of 1963
Roseana Liles Chaffey High School Class of 1963
Ana Limiloz Ontario High School
Ana Limoliz Ontario High School
Andres Limon Chaffey High School Class of 2007
Benny Limon Chaffey High School Class of 2007
Evangelina Limon Chaffey High School
Gloria Limon Chaffey High School
Fallon Linda Ontario High School
Barry Lindsey Chaffey High School Class of 1957
Loretta Lindsey Chaffey High School Class of 1995
Margaret Lindsey Chaffey High School Class of 1954
Elizabeth Linebeck Chaffey High School Class of 1986
Mark Linnell Chaffey High School Class of 1991
Akayla Lipscomb Chaffey High School Class of 2015
Alfredo Lira Chaffey High School Class of 1969

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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.