Posted: Oct 12, 2021
October 12, 2021
| Team | Previous Ranking | OCAA Record |
| 1. Seneca Sting | 1 | 6-0-0 |
| 2. Niagara Knights | 2 | 6-0-0 |
| 3. Fanshawe Falcons | 4 | 5-0-1 |
| 4. St. Lawrence Surge | 3 | 5-0-1 |
| 5. St. Clair Saints | 5 | 4-1-1 |
| 6. Humber Hawks | 7 | 4-2-0 |
| 7. Sheridan Bruins | 8 | 4-2-0 |
| 8. Centennial Colts | 9 | 3-2-1 |
| 9. Durham Lords | 6 | 3-2-1 |
| 10. Loyalist Lancers | N/R | 2-3-1 |
October 4, 2021
| Team | Previous Ranking | OCAA Record |
| 1. Seneca Sting | 1 | 4-0-0 |
| 2. Niagara Knights | 2 | 5-0-0 |
| 3. St. Lawrence Surge | 3 | 4-0-0 |
| 4. Fanshawe Falcons | 4 | 4-0-1 |
| 5. St. Clair Saints | 5 | 4-0-1 |
| 6. Durham Lords | 9 | 3-1-0 |
| 7. Humber Hawks | 6 | 3-2-0 |
| 8. Sheridan Bruins | 7 | 3-2-0 |
| 9. Centennial Colts | 8 | 2-2-1 |
| 10. George Brown Huskies | 10 | 2-2-0 |
September 27, 2021
| Team | Previous Ranking | OCAA Record |
| 1. Seneca Sting | 2 | 3-0-0 |
| 2. Niagara Knights | 5 | 3-0-0 |
| 3. St. Lawrence Surge | 8 | 3-0-0 |
| 4. Fanshawe Falcons | 1 | 1-0-1 |
| 5. St. Clair Saints | 7 | 2-0-1 |
| 6. Humber Hawks | 3 | 1-1-0 |
| 7. Sheridan Bruins | 4 | 2-1-0 |
| 8. Centennial Colts | N/R | 2-1-0 |
| 9. Durham Lords | 6 | 1-1-0 |
| 10. George Brown Huskies | N/R | 1-1-0 |
September 20, 2021
| Team | Previous Ranking | OCAA Record |
| 1. Fanshawe Falcons | N/A | 0-0-1 |
| 2. Seneca Sting | N/A | 1-0-0 |
| 3. Humber Hawks | N/A | 1-0-0 |
| 4. Sheridan Bruins | N/A | 1-0-0 |
| 5. Niagara Knights | N/A | 1-0-0 |
| 6. Durham Lords | N/A | 0-0-0 |
| 7. St. Clair Saints | N/A | 0-0-1 |
| 8. St. Lawrence Surge | N/A | 1-0-0 |
| 9. Mohawk Mountaineers | N/A | 0-1-0 |
| 10. Lambton Lions | N/A | 1-0-0 |