Wisconsin

Wisconsin has a strong Science Olympiad presence.

Past State Champions
This is a record of the past state champions and runners up, and their respective places at the national competition, if applicable. Scores at the state competition may be shown in parentheses.

Invitationals

 * Belleville Invitational (B/C) - Belleville High School, November 10, 2018 -
 * Boyceville Invitational (B/C) - Boyceville High School, December 1, 2018 -
 * Slinger Invitational (C) - Slinger High School, January 5, 2019
 * Medford Invitational (B/C) - Medford High School, January 12, 2019
 * UW-RF Border Battle Invitational (C) - UW-River Falls, January 26, 2019 -
 * Badger Invitational (B/C) - Hamilton Middle School, February 23, 2019 -
 * Marquette University Invitational (C) - Marquette University High School, March 2, 2019 -

Regional Competitions

 * South Central Regional - Madison Edgewood College
 * West Regional - Boyceville High School (B) and Menomonie High School (C)
 * South East Regional - UW-Milwaukee
 * North Regional - UW-Stevens Point

State Competition

 * 2019 Division B&C location: UW-Stout, Friday-Saturday March 15-16, 2019

Division B

 * [[Media:2015 WI B Results.jpg|2015]]
 * [[Media:2016 WI B Results.jpg|2016]]
 * [[Media:2017 WI B Results.pdf|2017]]
 * [[Media:2018 WI B Results.png|2018]]
 * [[Media:2019 WI B Results.pdf|2019]]

Division C

 * [[Media:2015 WI C Results.jpg|2015]]
 * [[Media:2016 WI C Results.jpg|2016]]
 * [[Media:2017 WI C Results.pdf|2017]]
 * [[Media:2018 WI C Results.png|2018]]
 * [[Media:2019 WI C Results.pdf|2019]]

Division B

 * All Saints Catholic School
 * Badger Ridge Middle School and Core Knowledge Charter School
 * Birchwood Middle School
 * Boyceville Middle School
 * Campbellsport Middle School
 * Central Middle School
 * Chetek-Weyerhaeuser Middle School
 * Eagle School of Madison
 * Edgewood Campus School
 * Eleva-Strum Middle School
 * Elmwood Middle School
 * Elk Mound Middle School
 * Glacial Drumlin Middle School
 * Hamilton Middle School
 * Harborside Academy
 * Hudson Middle School
 * JC McKenna Middle School
 * Johnson Creek Middle School
 * Lake Country School
 * Lake Mills Middle School
 * Marshall Middle School
 * McNeel Intermediate School
 * Medford Area Middle School
 * Menomonie Middle School
 * Monroe Middle School
 * Mount Horeb Middle School
 * New Richmond Middle School
 * Nikolay Middle School
 * Platteville Middle School
 * Poynette Middle School
 * Shorewood Intermediate School
 * South Park Middle School
 * Sparta Innovations STEM Academy
 * Spencer Middle School
 * Spring Valley Middle School
 * Stanley Boyd Middle School
 * Tomah Middle School
 * Waunakee Middle School

Division C

 * Athens High School
 * Baldwin-Woodville High School
 * Baraboo High School
 * Belleville High School
 * Beloit Turner High School
 * Bloomer High School
 * Boyceville High School
 * Brookfield Central High School
 * Brookfield East High School
 * Cambridge High School
 * Chetek-Weyerhaeuser High School
 * Chilton High School
 * Chippewa Falls High School
 * Colfax High School
 * Denmark High School
 * DC Everest High School
 * Edgewood High School
 * Elk Mound High School
 * Evansville High School
 * Grace Christian Academy
 * Harborside Academy
 * Indian Trail Academy High School
 * Kohler High School
 * Lakeland Union High School
 * Madison Edgewood High School
 * Madison La Follette High School
 * Madison Memorial High School
 * Madison West High School
 * Marquette University High School
 * Marshall High School
 * Marshfield High School
 * Medford High School
 * Menomonie High School
 * Middleton High School
 * Monona Grove High School
 * Mosinee High School
 * Mount Horeb High School
 * Nathan Hale High School
 * Neenah High School
 * New Berlin Eisenhower High School
 * New Richmond High School
 * Onalaska High School
 * Oregon High School
 * Osseo-Fairchild High School
 * Platteville High School
 * Poynette High School
 * Prairie School High School
 * Saint Croix Central High School
 * Sheboygan North High School
 * Shell Lake High School
 * Shorewood High School
 * Slinger High School
 * Sparta High School
 * Spencer High School
 * Spring Valley High School
 * Sun Prairie High School
 * Tomah High School
 * Verona High School
 * Waukesha North High School
 * Waunakee High School
 * Wausau East High School
 * Wausau West High School
 * Winter High School