- 1st Place: Anna Wang, Madison West
- 2nd Place: Luke Foye & Aidan Blenker, Muskeego-Norway
- 3rd Place: Varun Nathan, Madison Memorial
Category Winners - Engineering & Physical Sciences
- 1st Place: Luke Foye & Aidan Blenker, Muskeego-Norway
- 2nd Place: Varun Nathan, Madison Memorial
- 3rd Place: Aryan Kalluvila, Hartford Union
Category Winners - Social & Environmental Sciences
- 1st Place: Anna Wang, Madison West
- 2nd Place: Noah Gover & Hudson Arney, Muskego-Norway
- 3rd Place: Jamie Wright, Monona Grove
- 3rd Place ($50): Rebecca Hebert & Sean Bruch Muskego-Norway
2020 CSEF Winners
2020 Full Winners List, including sponsors for the various awards
2020 Grand Award Winners (Left to Right)
Varun Nathan, Mirus Second Runner-Up .... Beatrice Youd, CSEF Grand Prize Awardee .... Amara Livingston, Promega Corporation First Runner-Up
2020 CSEF Participants
2019 CSEF Winners
2019 Full Winners List, including sponsors for the various awards
Forte Research Systems - Grand Prize: Yiyang Ian Shi, Madison West
Promega Corporation - 1st Runner-Up: Jack Mahear & Jasmine Narine, Muskego
Mirus - 2nd Runner-Up: Srihari Gopalan, Madison Memorial
All CSEF 2019 Participants
2018 Winners
- 2018 CSEF Participants - group photo at the State Capitol and 2018 CSEF Winners List - Prizes supported by a wide range of sponsors
2017 Winners:
Forte Research Systems - Grand Prize: Madhu Gowda, Middleton
Mensa of Wisconsin Foundation - 1st Runner-Up: Charles Hua
Promega Corporation - 2nd Runners-Up: Christopher Magulski and Caleb Besson