| 2A Playoffs |
| 1st Round |
| | | Okolona 37-0 Baldwyn | | |
| | | Bassfield 52-23 Raymond | | |
| | | Saint Joseph Greenville 21-20 Ackerman | | |
| | | Taylorsville 26-0 South Leake | | |
| | | Philadelphia 25-11 Bay Springs | | |
| 11/9/1990 (Fri) | | Calhoun City 12-0 Broad Street | | |
| | | Wesson 22-6 Sumrall | | |
| | | Booneville 15-6 Nettleton | | |
| 2nd Round |
| | | Booneville 35-0 Calhoun City | | |
| | | Okolona 37-8 Saint Joseph Greenville | | |
| | | Philadelphia 14-13 Bassfield | | |
| | | Wesson 28-24 Taylorsville | | |
| Semi-finals |
| | | Philadelphia 13-12 Wesson | | |
| | | Booneville 21-7 Okolona | | |
| Championship Game |
| | | Booneville 24-7 Philadelphia | | |
| 3A Playoffs |
| 1st Round |
| | | New Hope 14-12 Collins | | |
| | | Newton County 37-7 Franklin County | | |
| | | Port Gibson 38-12 Forrest County AHS | | |
| | | Rolling Fork 14-12 North Panola | | |
| | | Mendenhall 32-6 Pearl River Central | | |
| | | Stone 42-9 Magee | | |
| | | West Bolivar 12-6 Ripley | | |
| | | Senatobia 20-8 Marshall | | |
| | | Aberdeen 39-0 Quitman County | | |
| 11/9/1990 (Fri) | | Amory 35-0 Coahoma AHS | | |
| 11/9/1990 (Fri) | | Bruce 8-0 Leflore County | | |
| | | Kosciusko 14-8 Columbia | | |
| | | Crystal Springs 2-0 North Forrest | | |
| | | Forest 36-0 Wilkinson County | | |
| | | Water Valley 34-0 Elzy | | |
| | | Leland 13-6 New Albany | | |
| 2nd Round |
| | | Newton County 10-0 Kosciusko | | |
| | | Aberdeen 14-12 West Bolivar | | |
| | | Water Valley 30-3 Senatobia | | |
| | | Stone 47-21 Port Gibson | | |
| | | New Hope 21-14 Forest | | |
| | | Mendenhall 37-12 Crystal Springs | | |
| 11/16/1990 (Fri) | | Bruce 24-14 Rolling Fork | | |
| 11/16/1990 (Fri) | | Amory 42-6 Leland | | |
| 3rd Round |
| | | Stone 14-10 Newton County | | |
| | | Water Valley 23-8 Aberdeen | | |
| 11/23/1990 (Fri) | | Amory 24-18 Bruce | | |
| | | Mendenhall 28-12 New Hope | | |
| Semi-finals |
| | | Water Valley 23-6 Amory | | |
| | | Stone 14-13 Mendenhall | | |
| Championship Game |
| | | Water Valley 20-14 Stone | | |