Genesee County B League
# Genesee County B League

The Genesee County B League was a high school sport league in Genesee County Michigan that operated in the mid to late 20th century.

| High School | Join Year | From | Left | league left to |
| - | - | - | - | - |
| Ainsworth | 1954 | | 1961 | Big Nine Conference |
| Atherton | 1960 | | 1976 | Mid-Eastern Eight Conference |
| Beecher | 1950 | | 1960 | Big Nine Conference |
| Bendle | 1950 | | 1975 | Mid-Eastern Eight Conference |
| Bentley | 1960 | | 1978 | Genesee Eight |
| Brandon | 1977 | | 1978 | Five County 5 League |
| Clio | 1950 | | 1960 | Big Nine Conference |
| Davison | 1950 | | 1960 | Big Nine Conference |
| Durand | 1964 | | 1978 | Flint Metro League |
| Fenton | 1940 | | 1968 | Flint Metro League |
| Flushing | 1950 | | 1960 | Big Nine Conference |
| Grand Blanc | 1950 | | 1960 | Big Nine Conference |
| Hartland | 1976 | | 1978 | Five County 5 |
| Kearsley | 1950 | | 1960 | Big Nine Conference |
| Lake Fenton | 1976 | | 1978 | Genesee Eight |
| LakeVille | 1956 2nd: 1964 | | 1962 2nd: 1976 | Independent 2nd: Flint Metro League |
| Linden | 1974 | | 1978 | Genesee Eight |
| Mt. Morris | 1950 | | 1960 | Big Nine Conference |
| Swartz Creek | 1960 | County C League | 1968 | Flint Metro League |
