Previous Winners
| 2025 | Isaac Shailor | St. Joseph Catholic Academy |
| 2024 | Jeremy Li Kevin Wan Bryant Yu | De Pere High School Homestead High School Eagle Middle School |
| 2023 | Sammy Ross | Madison West High School |
| 2022 | Henry Coyle | Whitefish Bay High School |
| 2021 | John Wood | Marquette Univ. High School |
| 2019 | Ethan Yang | Madison Memorial High School |
| 2018 | Owen Hunt | Arrowhead High School |
| 2017 | Chatchanun Suriyaammaranon Mostafa Hassan | Oregon High School eAchieve Academy |
| 2016 | Sean Chang | Madison West High School |
| 2015 | Minh Nhat Tran | Wayland Academy, Beaver Dam |
| 2014 | Thomas Hameister | Neenah High School |
| 2013 | Thomas Ulrich | Ulrich Homeschool |
| 2012 | Christopher Xu Wentong Zhang | Jefferson Middle School Whitefish Bay High School |
| 2011 | Sohil Shah Alex Knoespel Brian Luo | Madison Memorial High School Southwest High School Jefferson Middle School |
| 2010 | Hongkai Pan | Madison West High School |
| 2009 | Peter Wear | Madison West High School |
| 2008 | Iris Xu | Madison Memorial High School |
| 2007 | Zef RosnBrick Matthew Wage | Madison West High School Appleton East High School |
| 2005 | Tim Black | Madison Memorial High School |
| 2004 | Andrew Bolanowksi | Rufus King High School |
| 2003 | Nick Wage | Appleton East High School |
| 2002 | Jesse Beder Po-Ling Loh | Shorewood High School Madison Memorial High School |
| 2001 | Chad Koch Alec Li | Appleton West High School Madison West High School |
| 2000 | Daniel Kane Chris Moore Yian Zhang | Madison West High School Madison West High School Madison West High School |
| 1999 | Po-Ru Loh Martin Zeppenfeld | Jefferson Middle School Madison West High School |
| 1998 | Zhihao Liu | Shorewood High School |
| 1997 | Wei Ho Chad Keever Po-Shen Loh | New Berlin High School Holmen High School Madison Memorial High School |
| 1996 | Michael Colsher Mike Rusch Qi Su | Marquette Univ. High School Rib Lake High School Madison West High School |
| 1995 | Vahe Poladian | Blair-Taylor High School |
| 1994 | Ted Kreutz | Rufus King High School, Milwaukee |
| 1993 | Daniel Haas | Merrill Senior High School |
| 1992 | David Corris | Nicolet High School, Glendale |
| 1991 | Brent Halsey | Craig High School, Janesville |