The Southwestern Buckeye League (SWBL) is an Ohio High School Athletic Association (OHSAA) sports conference made up of schools located in southwestern Ohio, mainly around the greater Dayton and Cincinnati areas. It was established in 1944.
Brookville, Valley View and Eaton moved to the Buckeye Division in 2021
Waynesville moved to the Southwestern Division in 2021 then returned to the Buckeye Division in 2023 when Edgewood and Ross joined the conference in the Southwestern Division
The SWBL was created in 1944 by charter members Vandalia Butler, Tippecanoe, Versailles, and Milton-Union.
West Carrollton and Eaton joined in 1947.
1950s
The league added Trotwood-Madison and Wilmington in during the 1950-51 school year, after which Versailles left along with Wilmington.
For the 1951-52 school year, the SWBL consisted of: Butler, Eaton, Milton-Union, Tippecanoe, Trotwood-Madison and West Carrollton.
In 1953, Randolph (Northmont) and Oakwood were added to bring the league total up to eight. Randolph would consolidate into Northmont in 1959, which took their place in the SWBL.
Brookville and Northridge were added in 1958 to make the SWBL a ten-member league.
1970s
After the 1971-72 school year, Eaton left and was replaced by Greenville.
A huge change came in 1975 when Butler, Northmont, Trotwood-Madison and West Carrollton left and were replaced by Bellbrook, Carlisle, Dixie, and Valley View.
1980s
After the 1981-82 school year, Milton-Union and Tippecanoe left with Greenville, who was replaced by the school they had replaced: Eaton.
In 1984, Madison and Preble-Shawnee both joined.
2000s
Milton-Union returned in 2001 with Waynesville and the SWBL split into two six-team divisions. The Southwestern Division consisted of Bellbrook, Eaton, Milton-Union, Oakwood, Preble-Shawnee, and Valley View; while the Buckeye Division was made up of Brookville, Carlisle, Dixie, Madison, Northridge, and Waynesville.
In 2006, Franklin and Monroe bring the league total up to 14.
2020's
Dixie,Milton-Union,Northridge, and Preble-Shawnee left the conference in 2021 narrowing down the conference to 10 teams. Valley View, Eaton and Brookville moved to the Buckeye Division and Waynesville moved to the Southwestern Division
Trenton Edgewood and Hamilton Ross joined in 2023 in the Southwestern Division, with Waynesville returning to the Buckeye Division
Oxford Talawanda and Dayton Christian join the conference in 2025 for all sports except football. Football will join in 2027. Talawanda will be added to the Southwestern Division, and Dayton Christian will be added to the Buckeye Division