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CMO Hall of Fame

Rank	Competitor	School	Location
CMO 2025
1	Warren Bei	Rockridge Secondary School	West Vancouver, BC
2	Ming Yang	Brophy College Preparatory	Phoenix, AZ (USA)
3	Ansh Agarwal	Marc Garneau CI	Toronto, ON
HM	Ryan Bai	Toronto STEM School	Toronto, ON
	Perry Dai	University of Toronto Schools	Toronto, ON
	Raymond Ouyang	William Lyon Mackenzie CI	North York, ON
	Zhekai Shen	Elite Preparatory Academy	Hopatcong, NJ (USA)
	Hedong Wang	Pinetree Secondary School	Coquitlam, BC
	Gee Yun Yiu	No.2 High School Of Eastern China Normal University/ZIZHU	Shanghai (China)

Rank	Competitor	School	Location
CMO 2024
1	Warren Bei	Rockridge Secondary	West Vancouver, BC
2	Zhekai Shen	Shanghai Foreign Language School/SISU	Shanghai (China)
3	Ming Yang	Brophy College Preparatory	Phoenix, AZ(USA)
HM	Ryan Bai	InGenius STEAM	San Diego, CA (USA)
	Emily Ma	Marc Garneau Collegiate Institute	Toronto, ON
	Marvin Mao	Bergen Country Academies	Hackensack, NJ (USA)
	Xuezhi (Jerry) Wang	Royal St. George's College	Toronto, ON

Rank	Competitor	School	Location
CMO 2023
1	Warren Bei	Rockridge Secondary	West Vancouver, BC
2	Andrew Weng	Phillips Academy	Andover, MA (USA)
3	Marvin Mao	Bergen Country Academies	Hackensack, NJ (USA)
HM	Emily Ma	Marc Garneau Collegiate Institute	Toronto, ON
	Joshua Wang	Brookfield Central High School	Brookfield, WI (USA)
	Kaixin Wang	Magee Secondary School	Vancouver, BC
	Ming Yang	Brophy College Preparatory	Phoenix, AZ (USA)

Rank	Competitor	School	Location
CMO 2022
1	Zixiang Zhou	London Central Secondary	London, ON
2	Warren Bei	Homeschool	Vancouver, BC
3	Alex Le Helloco	Lycée Blaise Pascal	Orsay (France)
HM	Cordelia Hu	Farragut High	Knoxville, TN (USA)
	Evan Lu	Vincent Massey Secondary	Windsor, ON
	Kevin Min	Cupertino High	Cupertino, CA (USA)
	Kaixin Wang	Magee Secondary	Vancouver, BC
	Jason Zhang	Canton High	Canton, MI (USA)

Rank	Competitor	School	Location
CMO 2021
1	Warren Bei	Homeschool	Vancouver, BC
2	Thomas Guo	Philips Exeter Academy	Exeter, NH (USA)
	Zhening Li	Sir John A. Macdonald S. S.	Waterloo, ON
	Arvin Sahami	Richmond Hill World School	Richmond Hill, ON
	Eric Shen	University of Toronto Schools	Toronto, ON
HM	Kaylee Ji	Lexington High School	Lexington, MA (USA)
	Alec Le Helloco	Lycée Blaise Pascal	Orsay (France)
	Kevin Min	Cupertino High School	Cupertino, CA (USA)
	Zixiang Zhou	London Central Secondary School	London, ON

Rank	Competitor	School	Location
CMO 2020
1	Thomas Guo	Philips Exeter Academy	Exeter, NH (USA)
2	Zixiang Zhou	London Central Secondary School	London, ON
3	Michael Li	Marc Garneau Collegiate Institute	Toronto, ON
HM	Andrew Dong	Centennial Collegiate and Vocational Institute	Guelph, ON
	Arvin Sahami	Richmond Hill World School	Richmond Hill, ON
	Eric Shen	University of Toronto Schools	Toronto, ON
	Kevin Wan	Marc Garneau Collegiate Institute	Toronto, ON
	Edgar Wang	Marianopolis College	Westmount, QC
	Daniel Yang	University of Toronto Schools	Toronto, ON

Rank	Competitor	School	Location
CMO 2019
1	William Zhao	Richmond Hill High School	Richmond Hill, ON
2	Victor Rong	Marc Garneau C. I.	Toronto, ON
3	Howard Halim	University of Toronto Schools	Toronto, ON
HM	Michael Li	Marc Garneau C. I.	Toronto, ON
	Zhening Li	Sir John A. Macdonald S.S.	Waterloo, ON
	Eric Shen	University of Toronto Schools	Toronto, ON
	Edgar Wang	Marianopolis College	Westmount, QC
	Scott Xu	Hon. Vincent Massey S.S.	Windsor, ON
IHM	Thomas Guo	Phillips Exeter Academy	Exeter, NH (USA)
	Sebastien Jeon	Bergen County Academies	Hackensack, NJ (USA)
	Freddie Zhao	ICAE	Troy, MI (USA)

Rank	Competitor	School	Location
CMO 2018
1	Victor Rong	Marc Garneau C. I.	Toronto, ON
2	Howard Halim	University of Toronto Schools	Toronto, ON
3	William Zhao	Richmond Hill High School	Richmond Hill, ON
HM	Steven Chow	Albert Campbell C.I.	Scarborough, ON
	Andrew Dong	Centennial C. and V.I.	Guelph, ON
	Andrew Lin	University Hill S.S.	Vancouver, BC
	Victor Wang	Sir Winston Churchill S.S.	Vancouver, BC
	Scott Xu	Hon. Vincent Massey S.S.	Windsor, ON
	Zixiang Zhou	University Heights PS	London, ON
IHM	Thomas Guo	Phillips Exeter Academy	Exeter, NH (USA)
	Bill Qin	Phillips Academy	Andover, MA (USA)
	Nicholas Sun	North Central Coll.	Napierville, IL (USA)
	Fred Zhang	H W Longfellow Middle School	Falls Church, VA (USA)
	Freddie Zhao	ICAE	Troy, MI (USA)
	Wayne Zhao	Bergen County Academies	Hackensack, NJ (USA)

Rank	Competitor	School	Location
CMO 2017
1	Thomas Guo	Olympiads School	North York, ON
2	Rui Ming Xiong	Western Canada High	Calgary, AB
3	Victor Rong	Marc Garneau C. I.	Toronto, ON
HM	Edward Jiang	Moscrop Secondary	Burnaby, BC
	Michael Li	Marc Garneau C. I.	Toronto, ON
	Jason Yuen	Pierre Elliot Trudeau High	Markham, ON
	William Zhao	Richmond Hill High	Richmond Hill, ON
	Daniel Zhou	Centennial Collegiate	Saskatoon, SK
IHM	Qi Qi	Phillips Exeter Academy	Exeter, NH (USA)
	Freddie Zhao	Indus Center for Academic Excellence (ICAE)	Troy, MI (USA)

Rank	Competitor	School	Location
CMO 2016
1	Kai Sun	AB Lucas Secondary School	London, ON
2	Jinhao Xu	University Hill Secondary School	Vancouver, BC
	William Zhao	Richmond Hill High School	Richmond Hill, ON
HM	Qinyu Cui	Collège Jean de la Mennais	La Prairie, QC
	Thomas Guo	Olympiads School	North York, ON
	Kevin Hu	Mulgrave School	West Vancouver, BC
	Ben Wei	Waterloo Collegiate Institute	Waterloo, ON
	Yue Weng	Unionville High School	Unionville, ON
	Rui Zhou Yang	University Hill Secondary School	Vancouver, BC
IHM	Daniel Guo	Homestead High School	Cupertino, CA (USA)
	Caleb Ji	Bear Creek School	Redmond, WA (USA)
	Qi Qi	Phillips Exeter Academy	Exeter, NH (USA)
	Kevin Sun	Phillips Exeter Academy	Exeter, NH (USA)
	Nicholas Sun	Phillips Exeter Academy	Exeter, NH (USA)
	Kai Zhe Zheng	Stuart Academy	Princeton, NJ (USA)

Rank	Competitor	School	Location
CMO 2015
1	Alexander Whatley	North Huston Academy of Science and Mathematics	Spring, TX (USA)
2	Kevin C. Sun	Phillips Exeter Academy	Exeter, NH (USA)
3	Bill Yan Huang	Stuart Academy	Princeton, NJ (USA)
HM	Caleb Ji	The Bear Creek School	Redmond, WA (USA)
	Michael Pang	Fort Richmond Collegiate	Winnipeg, MB
	Zhuoqun (Alex) Song	Phillips Exeter Academy	Exeter, NH (USA)
	Kai Sun	A.B. Lucas Secondary School	London, ON

Rank	Competitor	School	Location
CMO 2014
1	Zhuoqun (Alex) Song	Phillips Exeter Academy	Exeter, NH (USA)
2	Kevin Sun	Phillips Exeter Academy	Exeter, NH (USA)
3	Caleb Ji	The Bear Creek School	Redmond, WA (USA)
HM	Yan (Bill) Huang	Stuart Academy	Princeton Junction, NJ (USA)
	Zhi Xue (Toby) Chen	Markville Secondary School	Markham, ON
	Xiaoze (Jerry) Wu	Marc Garneau C.I.	Toronto, ON
	Fei Wu	Upper Canada College	Toronto, ON
	Nicholas Sun	Kennedy Jr. High	Lisle, IL (USA)
	Vahid Fazel-Rezai	Phillips Exeter Academy	Exeter, NH (USA)

Rank	Competitor	School	Location
CMO 2013
1	Calvin Deng	NC School of Science and Math	Cary, NC (USA)
2	Alex (ZhuoQun) Song	Phillips Exeter Academy	Exeter, NH (USA)
3	Kevin Sun	Naperville Central High School	Naperville, IL (USA)
HM	Richard (Rongxin) Du	Marc Garneau Collegiate Institute	Toronto, ON
	John (Zhiyao) Ma	Interlake High School	Redmond, WA (USA)
	Jerry (Xiaoze) Wu	Marc Garneau Collegiate Institute	Toronto, ON
	Alexander Whatley	North Houston Academy	Spring, TX (USA)

Rank	Competitor	School	Location
CMO 2012
1	Calvin Deng	NC School of Science and Math	Cary, NC (USA)
2	Alex Song	Phillips Exeter Academy	Waterloo, ON
3	Daniel Spivak	Bayview Secondary School	Thornhill, ON
	Kevin Zhou	Woburn Collegiate Institute	Markham, ON
HM	Matthew Brennan	Upper Canada College	Toronto, ON
	John Ma	Interlake High School	Redmond, WA (USA)
	James Rickards	Colonel By Secondary School	Ottawa, ON
	Kevin Sun	Naperville Central High School	Naperville, IL (USA)
	Alexander Whatley	North Houston Academy	Spring, TX (USA)

Rank	Competitor	School	Location
CMO 2011
1	Mariya Sardarli	Strathcona High School	Edmonton, AB
2	Calvin Deng	William G. Enloe High School	Raleigh, NC (USA)
3	Alex Song	Detroit Country Day Middle School	Beverly Hills, MI (USA)
HM	Susan Sun	West Vancouver Secondary School	West Vancouver, BC
	Yuzhou Chen	Sir John A. Macdonald Collegiate Institute	Agincourt, ON
	James Rickards	Colonel By Secondary School	Gloucester, ON
	Matthew Brennan	Upper Canada College	Toronto, ON
	Hunter Spink	Western Canada High School	Calgary, AB
	Yi Liu	York Mills Collegiate Institute	Toronto, ON

Rank	Competitor	School	Location
CMO 2010
1	Alex Song	Vincent Massey Secondary School	Windsor, ON
2	James Rickards	Colonel by Secondary School	Greely, ON
3	Jonathan Zung	University of Toronto Schools	Toronto, ON
HM	Robin Cheng	Pinetree Secondary School	Coquitlam, BC
	Zhi Qiang Liu	Don Mills Collegiate Institute	Toronto, ON
	Chen Sun	A.B. Lucas Secondary School	London, ON
	Jixuan Wang	Don Mills Collegiate Institute	Toronto, ON
	Yuqi Zhu	University Hill Secondary School	Vancouver, BC

Rank	Competitor	School	Location
CMO 2009
1	Jonathan Schneider	University of Toronto Schools	Toronto, ON
2	Danny Shi	Sir Winston Churchill High School	Calgary, AB
3	Jarno Sun	Western Canada High School	Calgary, AB
HM	Ahmad Abdi	Sabouhi Academy of Art & Design	Toronto, ON
	Robin Cheng	Pinetree Secondary School	Coquitlam, BC
	Nikita Lvov	Marianopolis College	Westmount, QC
	Hunter Spink	Western Canada High School	Calgary, AB
	Chen Sun	A.B. Lucas Secondary School	London, ON

Rank	Competitor	School	Location
CMO 2008
1	Chen Sun	A.B. Lucas Secondary School	London, ON
2	Jonathan Schneider	University of Toronto Schools	Toronto, ON
3	Yan (Cynthia) Li	Dr. Norman Bethune Collegiate Institute	Toronto, ON
HM	Dimitri Dziabenko	Don Mills Collegiate Institute	Toronto, ON
	Neil Gurram	Indus Center for Academic Excellence	Troy, MI (USA)
	XiaoLin Shi	Sir Winston Churchill High School	Calgary, AB
	Chengyue (Jarno) Sun	Western Canada High School	Calgary, AB
	Tianyao Zhang	Sir John a. Macdonald Collegiate Institute	Toronto, ON

Rank	Competitor	School	Location
CMO 2007
1	Yan Li	Dr. Norman Bethune Collegiate Institute	Scarborough, ON
2	Jonathan Schneider	University of Toronto Schools	Toronto, ON
3	Jarno Sun	Western Canada High School	Calgary, AB
HM	Jia Guo	O'Neill Collegiate and Vocational Institute	Oshawa, ON
	Kent Huynh	University of Toronto Schools	Toronto, ON
	Steven Karp	Lord Byng Secondary School	Vancouver, BC
	Alexander Remorov	William Mackenzie Collegiate Institute	North York, ON

Rank	Competitor	School	Location
CMO 2006
1	Dong Uk (David) Rhee	McNally Composite High School	Edmonton, AB
2	Yufei Zhao	Don Mills Collegiate Institute	Toronto, ON
3	Shawn Eastwood	Canadian International School	Singapore (SGP)
HM	Alan Guo	O'Neill Collegiate and Vocational Institute	Oshawa, ON
	Kent Huynh	University of Toronto Schools	Toronto, ON
	Viktoriya Krakovna	Vaughan Road Academy	Toronto, ON
	Alexander Remorov	Waterloo Collegiate Institute	Waterloo, ON
	Thomas Tang	A.Y. Jackson Secondary School	North York, ON

Rank	Competitor	School	Location
CMO 2005
1	Peng Shi	Sir John A. MacDonald Collegiate Institute	Agincourt, ON
2	Yang (Richard) Peng	Vaughan Road Academy	Toronto, ON
3	Yufei Zhao	Don Mills Collegiate Institute	Don Mills, ON
HM	Boris Braverman	Sir Winston Churchill High School	Calgary, AB
	Elyot Grant	Cameron Heights Collegiate Institute	Kitchener, ON
	Zheng Guo	Western Canada High School	Calgary, AB
	Oleg Ivrii	Don Mills Collegiate Institute	Don Mills, ON
	Lin Fei	Don Mills Collegiate Institute	Don Mills, ON
	Dong Uk (David) Rhee	McNally School	Edmonton, AB
	Shaun White	Vincent Massey Secondary School	Windsor, ON

Rank	Competitor	School	Location
CMO 2004
1	Yufei Zhao	Don Mills Collegiate Institute	Don Mills, ON
2	Jacob Tsimerman	University of Toronto Schools	Toronto, ON
3	David Rhee	McNally School	Edmonton, AB
HM	Boris Braverman	Simon Fraser Junior High	Calgary, AB
	Dennis Chuang	Strathcona-Tweedsmuir School	Okotoks, AB
	Gabriel Gauthier-Shalom	Marianopolis College	Montreal, QC
	Oleg Ivrii	Don Mills Collegiate Institute	Don Mills, ON
	János Kramár	University of Toronto Schools	Toronto, ON
	Andrew Mao	A.B. Lucas Secondary School	London, ON
	Richard Peng	Vaughan Road Academy	Toronto, ON
	Peng Shi	Sir John A. MacDonald Collegiate Institute	Agincourt, ON

Rank	Competitor	School	Location
CMO 2003
1	János Kramár	University of Toronto Schools	Toronto, ON
2	Tianyi Han	Woburn Collegiate Institute Toronto	Toronto, ON
3	Robert Barrington Leigh	Old Scona Academic High School	Edmonton, AB
HM	Olena Bormashenko	Don Mills Collegiate Institute	Toronto, ON
	Ali Feizmohammadi	Northview Heights Secondary School	North York, ON
	Ralph Furmaniak	A.B. Lucas Secondary School	London, ON
	Oleg Ivrii	Don Mills Collegiate Institute	Don Mills, ON
	Andrew Mao	A.B. Lucas Secondary School	London, ON
	Jacob Tsimerman	University of Toronto Schools	Toronto, ON

Rank	Competitor	School	Location
CMO 2002
1	Tianyi Han	Woburn Collegiate Institute	Toronto, ON
2	Roger Mong	Don Mills Collegiate Institute	Toronto, ON
3	Paul Cheng	West Vancouver Secondary School	West Vancouver, BC
HM	Robert Barrington Leigh	Old Scona Academic High School	Edmonton, AB
	Olena Bormashenko	Don Mills Collegiate Institute	Toronto, ON
	Xiaoxuan Jin	Vincent Massey Secondary School	Windsor, ON
	Timothy Kusalik	Queen Elizabeth High School	Halifax, NS
	Cornwall Lau	David Thompson Secondary School	Vancouver, BC
	Feng Tian	Vincent Massey Secondary School	Windsor, ON
	Yang Yang	Don Mills Collegiate Institute	Toronto, ON

Rank	Competitor	School	Location
CMO 2001
1	Daniel Brox	Sentinel Secondary School	West Vancouver, BC
2	Roger Mong	Don Mills Collegiate Institute	Toronto, ON
3	Nima Kamoosi	West Vancouver Secondary School	West Vancouver, BC
HM	Olena Bormashenko	Don Mills Collegiate Institute	Toronto, ON
	Alexander Fink	Queen Elizabeth High School	Calgary, AB
	Kenneth Ho	Don Mills Collegiate Institute	Toronto, ON
	Liang Hong	University of Toronto Schools	Toronto, ON
	Dennis Wei	University of Toronto Schools	Toronto, ON
	Robert Ziman	William Lyon MacKenzie Collegiate Institute	Toronto, ON

Rank	Competitor	School	Location
CMO 2000
1	Daniel Brox	Sentinel Secondary School	West Vancouver, BC
2	David Arthur	Upper Canada College	Toronto, ON
3	David Pritchard	Woburn Collegiate Institute	Scarborough, ON
HM	David Goodman	Kelvin High School	Winnipeg, MB
	Keon Choi	A.Y. Jackson Secondary School	North York, ON
	Robert Barrington Leigh	Vernon Barford Junior High School	Edmonton, AB
	Roger Mong	Don Mills Collegiate Institute	Don Mills, ON
	Bogdan Moldovan	George S. Henry Academy	North York, ON
	Paul Cheng	West Vancouver Secondary School	West Vancouver, BC

Rank	Competitor	School	Location
CMO 1999
1	Jimmy Chui	Earl Haig Secondary School	North York, ON
2	Adrian Chan	Upper Canada College	Toronto, ON
3	David Pritchard	Woburn Collegiate Institute	Scarborough, ON
HM	Edmond Choi	A.Y. Jackson Secondary School	North York, ON
	Masoud Kamgarpour	Carson Graham Secondary School	North Vancouver, BC
	Jessica Lei	Vincent Massey Secondary School	Windsor, ON
	Pierre LeVan	Petit Séminaire de Québec	Hull, QC
	Dave Nicholson	Fenelon Falls Secondary School	Fenelon Falls, ON
	Yannick Solari	College Edouard Montpetit	Longueuil, QC

Rank	Competitor	School	Location
CMO 1998
1	Adrian Chan	Upper Canada College	Toronto, ON
2	Adrian Birka	Lakeshore Catholic High School	Port Colborne, ON
3	Jimmy Chui	Earl Haig Secondary School	North York, ON
HM	Fahim Ahmad	The Woodlands Secondary School	Mississauga, ON
	David Arthur	Upper Canada College	Toronto, ON
	Keon Choi	A.Y. Jackson Secondary School	North York, ON
	Chen He	Columbia International College	Hamilton, ON
	Xin Huang	Central Peel Secondary School	Brampton, ON
	Yin Lei	Vincent Massey Secondary School	Windsor, ON
	Zion Kwok	Eric Hamber Secondary School	Vancouver, BC
	Adrian Tang	Albert Campbell Collegiate Institute	Scarborough, ON
	Dale Whitmore	Prince of Wales Collegiate	St. John's, NF

Rank	Competitor	School	Location
CMO 1997
1	Sabin Cautis	Earl Haig Secondary School	North York, ON
2	Byung-Kyu Chun	Harry Ainlay Composite High School	Edmonton, AB
3	Mihaela Enachescu	Dawson College	Montreal, QC

Rank	Competitor	School	Location
CMO 1996
1	Byung-Kyu Chun	Harry Ainlay Composite High School	Edmonton, AB
2	Richard Hoshino	University of Toronto Schools	Toronto, ON
	Soroosh Yazdani	Earl Haig Secondary School	North York, ON
3	Sabin Cautis	Earl Haig Secondary School	North York, ON
	Adrian Chan	Upper Canada College	Toronto, ON
	Ondrej Lhoták	Aldershot High School	Burlington, ON
	Colin Percival	Burnaby Central Secondary School	Burnaby, BC
4	Mihaela Enachescu	École Secondaire St. Luc	Montréal, QC
5	Deepee Khosla	Lisgar Collegiate Institute	Ottawa, ON
	Bhaskara Marthi	Lisgar Collegiate Institute	Ottawa, ON
	Alan Martin	Gloucester High School	Gloucester, ON
	Michael Ting	Lisgar Collegiate Institute	Ottawa, ON

Rank	Competitor	School	Location
CMO 1995
1	Donny Cheung	St. John's-Ravenscourt School	Winnipeg, MB
2	Byung-Kyu Chun	Harry Ainlay Composite High School	Edmonton, AB
	Alyssa Ker	York Mills Collegiate Institute	North York, ON
3	Andrew Archibald	Vanier College	Ville St Laurent, QC
	Derek Kisman	Queen Elizabeth High School	Calgary, AB
4	Chritian Herling	Dawson College	Westmount, QC
	Cyrus Chen Hsia	Woburn Collegiate Institute	Scarborough, ON
	Deepee Khosla	Lisgar Collegiate Institute	Ottawa, ON
5	Sabin Cautis	Earl Haig Secondary School	North York, ON
	Adrian Chan	Upper Canada College	Toronto, ON
	Richard Hoshino	University of Toronto Schools	Toronto, ON
	Frédéric Latour	Collège de l'Assomption	L'Assomption, QC
	Howard Leung	Champlain Regional College	St. Lambert, QC
	Colin Percival	Burnaby Central Secondary School	Burnaby, BC
	Mintcho Petkov	Lester Pearson College	Victoria, BC
	Lawrence Tang	Steveston Senior Secondary School	Richmond, BC

Rank	Competitor	School	Location
CMO 1994
1	Kevin Purbhoo	Northern Secondary School	Toronto, ON
2	Daniel Herling	Dawson College	Westmount, QC
	Edward Leung	University of Toronto Schools	Toronto, ON
3	Christian Herling	Dawson College	Montreal, QC
4	Cyrus Chen Hsia	Woburn Collegiate Institute	Scarborough, ON
	Wing Ho Leung	École Secondaire Lemoyne d'Iberville	Longueuil, QC
	Michael Ting	Lisgar Collegiate Institute	Ottawa, ON
5	Howard Feldman	Earl Haig Secondary School	North York, ON
	Christopher I. Hendrie	West Hill Secondary School	Owen Sound, ON
	Alex Ivrii	Jarvis Collegiate Institute	Toronto, ON
	Alistair Savage	Western Canada High School	Calgary, AB
	Matthew Szczesny	Loyola Catholic Secondary School	Mississauga, ON
	Brian C.Y. Wong	Lawrence Park Collegiate Institute	Toronto, ON

Rank	Competitor	School	Location
CMO 1993
1	Naoki Sato	University of Toronto Schools	Toronto, ON
2	Edward Leung	University of Toronto Schools	Toronto, ON
3	Alex Lee	Wexford Collegiate Institute	Scarborough, ON

Rank	Competitor	School	Location
CMO 1992
1	J.P. Grossman	Northern Secondary School	Toronto, ON
2	Eric Lai	The Toronto French School	Toronto, ON
3	Kevin King Hin Cheung	Agincourt Collegiate Institute	Agincourt, ON

Rank	Competitor	School	Location
CMO 1991
1	J.P. Grossman	Northern Secondary School	Toronto, ON
	Ian Goldberg	University of Toronto Schools	Toronto, ON
2	Janos Csirik	Lester B. Pearson Coll. of the Pacific	Victoria, BC
3	Adam Meredith Logan	Lisgar Collegiate Institute	Ottawa, ON

Rank	Competitor	School	Location
CMO 1990
1	J.P. Grossman	Northern Secondary School	Toronto, ON
2	Ian Goldberg	University of Toronto Schools	Toronto, ON
3	Hugh Thomas	Kelvin High School	Winnipeg, MB

Rank	Competitor	School	Location
CMO 1989
1	Eli Michael Lapell	Woburn Collegiate Institute	Scarborough, ON
2	Hugh Thomas	Sir Winston Churchill Secondary School	Vancouver, BC
3	Chris Schach	Woburn Collegiate Institute	Scarborough, ON

Rank	Competitor	School	Location
CMO 1988
1	Gurraj Sangha	Hon.W.C. Kennedy Collegiate Institute	Windsor, ON
2	David McKinnon	St. George's School	Vancouver, BC
3	Philip Jong	Earl Haig Secondary School	North York, ON

Rank	Competitor	School	Location
CMO 1987
1	Ravi D. Vakil	Martingrove Collegiate Institute	Etobicoke, ON
2	Colin M. Springer	Waterloo Collegiate Institute	Waterloo, ON
3	Michael Tylman	Community Hebrew Academy of Toronto	Downsview, ON

Rank	Competitor	School	Location
CMO 1986
1	Ravi D. Vakil	Martingrove Collegiate Institute	Etobicoke, ON
2	Bryan Keith Feir	St. Michaels University	Victoria, BC
3	Rocky Lee	Woburn Collegiate Institute	Scarborough, ON

Rank	Competitor	School	Location
CMO 1985
1	Minh Tue Vo	École Secondaire St-Luc	Montréal, QC
2	Moses Gabriel Klein	University of Toronto Schools	Toronto, ON
3	Stephen Andrew Smith	Langstaff Secondary School	Richmond Hill, ON

Rank	Competitor	School	Location
CMO 1984
1	Minh Tue Vo	École Secondaire St-Luc	Montréal, QC
2	Frank D'Ippolito	LaSalle Secondary School	Sudbury, ON
3	Mike Molloy	Osgoode Township High School	Metcalfe, ON

Rank	Competitor	School	Location
CMO 1983
1	William James Rucklidge	Toronto French School	Toronto, ON
2	Martin Piotte	College des Eudistes	Montreal, QC
3	Michael Clase	Memorial University of Newfoundland	St-John's, NF

Rank	Competitor	School	Location
CMO 1982
1	Alastair Rucklidge	Toronto French School	Toronto, ON
2	Charles S.A. Timar	University of Toronto Schools	Toronto, ON
3	Edward Douglas Hatton	Adam Scott C.V.I.	Peterborough, ON

Rank	Competitor	School	Location
CMO 1981
1	David Walter Ash	Fort William Collegiate Institute	Thunder Bay, ON
2	Arthur Paul Smith	Memorial University of Newfoundland	St. John's, NF
3	Julian West	Saint-George's School	Vancouver, BC

Rank	Competitor	School	Location
CMO 1980
1	John James Chew	University of Toronto Schools	Toronto, ON
2	David Walter Ash	Fort William Collegiate Institute	Thunder Bay, ON
3	Stanislav Michael Valnicek	Evan Hardy Collegiate Institute	Saskatoon, SK

Rank	Competitor	School	Location
CMO 1979
1	William Ross Brown	Ashbury College	Rockcliffe Park, ON
2	David Walter Ash	Fort William Collegiate Institute	Thunder Bay, ON
3	Peter E. Jay	LoEllen Park Secondary School	Sudbury, ON

Rank	Competitor	School	Location
CMO 1978
1	Michael Albert	Penetanguishene Secondary School	Penetanguishene, ON
2	David Yach	Galt Collegiate Institute and Vocational School	Cambridge, ON
3	Peter Bumbulis	Alternate Scarborough Education	Scarborough, ON

Rank	Competitor	School	Location
CMO 1977
1	Igor E. Rivin	Vincent Massey Secondary School	Windsor, ON
2	Pui Wing Pong	Overlea Secondary School	Don Mills, ON
3	Robert Alexander Ewan	Loyalist C.V.I.	Kingston, ON

Rank	Competitor	School	Location
CMO 1976
1	Rajiv Gupta	Sir Winston Churchill C.V.I.	Thunder Bay, ON
2	Patrick Smith	Snowdon Campus of Vanier College	Montreal, QC
3	Oscar M. Nierstrasz	Bloor Collegiate Institute	Toronto, ON
	Art B. Owen	Sir Robert Borden High School	Ottawa, ON

Rank	Competitor	School	Location
CMO 1975
1	Patrick Smith	Monkland High School	Montreal, QC
	James Williams	Merivale High School	Ottawa, ON
3	Norman J. Wildberger	Richmond Hill High School	Richmond, BC

Rank	Competitor	School	Location
CMO 1974
1	James Williams	Merivale High School	Ottawa, ON
2	Douglas Stinson	John F. Ross Collegiate	Guelph, ON
3	Bill Leslie	Gordon Bell High School	Winnipeg, MB

Rank	Competitor	School	Location
CMO 1973
1	Alan Listoe	Aden Bowman Collegiate	Saskatoon, SK
	Luc St. Louis	CEGEP de Maisonneuve	Montréal, QC
3	Allen A. McIntosh	Gloucester High School	Ottawa, ON

Rank	Competitor	School	Location
CMO 1972
1	Donald T. Kersey	Hill Park Secondary School	Hamilton, ON
2	Mark S. Brader	John F. Ross C.V.I	Guelph, ON
3	John R. Lawson	Burlington Central H.S.	Burlington, ON
	John G. Savard	St. Joseph's Composite H.S.	Edmonton, AB

Rank	Competitor	School	Location
CMO 1971
1	Bruce Nielson	Point Grey Secondary School	Vancouver, BC
2	John Spouge	St. George's School	Vancouver, BC
3	Edward Severn	Cedarbrae Collegiate Inst.	Scarborough, ON
	Simon Tu	Harry Ainlay Composite High School	Edmonton, AB

Rank	Competitor	School	Location
CMO 1970
1	John Spouge	St. George's School	Vancouver, BC

Rank	Competitor	School	Location
CMO 1969
1	Karl A. Strom	Sir James Dunn Secondary School	Sault Ste-Marie, ON
2	Randolf W. Franklin	Lisgar Collegiate	Ottawa, ON
3	Daniel A. Gautreau	University of Toronto Schools	Toronto, ON
	Russell O. Redman	Claremont Senior Secondary School	Victoria, BC