| 1987 | State | Agricultural Soils | 1st | Allen Geyer, Matt Roller, Mark Grose |
| 2026 | Middle School | Agronomy | 1st | Tera Fout, Miri Taylor, Liliana Mariucci, Hayes Scowden |
| 2026 | State | Agronomy | 1st | Kellyn Ufferman, Dominic Hainline, Cain Holloway, Colton Smith |
| 2025 | Middle School | Agronomy | 1st | Cain Holloway, Dominic Hainline, Kellyn Ufferman, Ava Swihart |
| 2025 | State | Agronomy | 1st | Jackson Evans, Olivia Ehrick, Josie Ufferman, Emma Murphy |
| 2024 | State | Agronomy | 1st | Zach Howald, Reese Spriggs, Kinley Balzer, Chloe Dickey |
| 2023 | State | Agronomy | 1st | Allison Stacklin, Aubrey Brown, Madelyn Zimmerman, Kaylee Rensel |
| 2022 | State | Agronomy | 1st | Chloe Hall, Glade Jolliff, Madelyn Taylor, Cenlee Holloway |
| 2021 | State | Agronomy | 1st | Mack Plotner, Lilly Taylor, Cammie Shenkle, Owen Hall |
| 2019 | National | Agronomy | 1st | Avery Zwayer, Kaylee Smith, Dean Wolfe, Joel Krebehenne |
| 2019 | State | Agronomy | 1st | Kaylee Smith, Avery Zwayer, Dean Wolfe, Joel Krebehenne |
| 2017 | National | Agronomy | 1st | Grayson Plotner, Carter Wedding, Sarah Chadwick, Abby Chadwick |
| 2017 | State | Agronomy | 1st | Abby Chadwick, Grayson Plotner, Carter Wedding, Sarah Chadwick |
| 2015 | National | Agronomy | 1st | Robert Kramer, Grace Hall, Mikaela Ramsey, Claire Wolfe |
| 2015 | State | Agronomy | 1st | Mikaela Ramsey, Robert Kramer, Grace Hall, Claire Wolfe |
| 2014 | National | Agronomy | 1st | Taylor Bahan, Kiersten McMahon, Madison Shawver, Maggie Hall |
| 2014 | State | Agronomy | 1st | Taylor Bahan, Madison Shawver, Kiersten McMahon, Maggie Hall |
| 2013 | National | Agronomy | 1st | Kolton Ingles, Molly Bayer, Jordyn Rhodeback, Austin Davis |
| 2013 | State | Agronomy | 1st | Kolton Ingles, Molly Bayer, Austin Davis, Jordyn Rhodeback |
| 2011 | State | Agronomy | 1st | Skyler Foos, Kayla Dysert, Justin Gravatt, Bethany Dresback |
| 2010 | State | Agronomy | 1st | Kyle Dresback, Alicia Dysert, Blake Taylor, Riley Hall |
| 2009 | State | Agronomy | 1st | Isaac Oman, Robert Bevis, Matt Ross, Michelle Shepherd |
| 2007 | State | Agronomy | 1st | Adam Conrad, Tyler Smith, Kyle Gravatt, Grant Smith |
| 2005 | State | Agronomy | 1st | Tara Zasadzinski, Luke Brill, Stacy Springer, Renee Burdett |
| 2004 | State | Agronomy | 1st | Jake Davis, Brett Sheets, Rusty Lowe, Tyler Patton |
| 2003 | State | Agronomy | 1st | Mark Bugg, Talyn Powers, Zach Welch, Nick Sheets |
| 2000 | State | Agronomy | 1st | Robert Disbennett, Bethany Davis, Scott Bugg, Matt Robinson |
| 1988 | State | Agronomy | 1st | Clint Hines, Doug Karcher, Elmer Arbogast |
| 1980 | State | Agronomy | 1st | Steve Kidwell, Gary Brill, Dave Oman |
| 2000 | State | Equine Management | 1st | Sarah Kusey, Annette Rubeck, Heather Clady, John Wasserbeck |
| 2026 | Middle School | Impact of Agriculture | 1st | Georgia Evans, Liliana Mariucci, Atley Nicholson, Allison Poling |
| 1982 | State | Mammals | 1st | Mike Hall, Ken Cox |
| 2014 | State | Poultry Management | 1st | Alexis Shawver, Bethany Dresback, Cole Krawczyk, Justin Gravatt |
| 2011 | State | Poultry Management | 1st | Lindsey Pfeiffer, Dalton Bradford, Jordyn Rhodeback, Molly Bayer |
| 1985 | State | Poultry Management | 1st | Richard Buettner, Zach Boehmer, Doug Porschet |
| 1982 | State | Poultry Management | 1st | Richard Brill, Kevin Buyer, Mark Clevenger |
| 1978 | State | Poultry Management | 1st | Dave Oman, Dan Hall, Jeff Tanner |
