2025 OBOB State Tournament Champions
- 3rd-5th Grade Division: Valley Catholic Elementary School
- 6th-8th Grade Division: Ashland Middle School
- 9th-12th Grade Division: Lebanon High School
2024 OBOB State Tournament Champions
- 3rd-5th Grade Division: “The Flying Watermelons from Bethany Elementary in Beaverton
- 6th-8th Grade Division: “Team K.C.” from Lakeridge Middle School in Lake Oswego
- 9th-12th Grade Division: “Rose City Readers 2 Electric Boogaloo. Read Hard With a Vengeance” from Benson Polytechnic High School in Portland
2023 OBOB State Tournament Champions
- 3rd-5th Grade Division: Hallinan
- 6th-8th Grade Division: Winterhaven
- 9th-12th Grade Division: Lakeridge
2022 OBOB All-Online Regional Competitions -- Top Performers in Oregon
- 3rd-5th Division: Edwards Elementary
- 6th-8th Division: Lakeridge Middle School & Meadow Park Middle School (Tied)
- 9th-12th Division: LOGOS Charter School
2021: No Regional or State Tournaments
2020: State Tournament Cancelled due to onset of the pandemic
2019 OBOB State Tournament Champions
- 3rd-5th Grade Division: James John Elementary
- 6th-8th Grade Division: West Sylvan Middle School
- 9th-12th Grade Division: Creswell High School
Past OBOB State Tournament Champions
2018
- Dundee Elementary
- Ashland Middle
- Elmira High
2017
- Bonny Slope Elementary
- Stoller Middle
- Lebanon High
2016
- St. Paul Parish School
- Fern Ridge Middle
- Oregon Episcopal School
2015
- Findley Elementary
- Fern Ridge Middle
- Oregon Episcopal School
2014
- Edgewood Elementary
- Beverly Cleary
- Oregon Episcopal School
2013
- Findley Elementary
- ACCESS Academy
- Oregon Episcopal School
2012
- Oregon Episcopal School
- Monroe Middle
- Westview High
2011
- Valley Catholic Elementary
- Cheldelin Middle
- Wilson High
2010
- State Pilgrim Lutheran
- Calapooia Middle
- Estacada High
2009
- Vale Elementary
- Clara Brownell Middle (6-9 Division)
2008
- Pratum Elementary
- Walt Morey Middle (6-9 Division)