| EVENT | WEEK ** | DATE |
| Scrimmages allowed (A-B) | 32 | Feb. 4 |
| Entry form due in OSSAA office (All Classes) *** | 32 | Feb. 8 |
| Scrimmages allowed (2A-6A) | 33 | Feb. 11 |
| Season Opens (A-B) | 34 | Feb. 19 |
| Season Opens (2A-6A) | 35 | March 1 |
| District pairings released (A-B) | 40 | April 4 |
| Count all games played through this date for pairings at district meeting (A-B) | 41 | April 8 |
| District meetings (A-B) | 41 | April 9-10 |
| District pairings released (2A-3A-4A) | 41 | April 10 |
| Count all games played through this date for pairings at district meeting (2A-3A-4A) | 42 | April 15 |
| District meetings (2A-3A-4A) | 42 | April 16-17 |
| Regional tournament pairings released (5A-6A) | 42 | April 18 |
| District tournaments to be completed (A-B) | 42 | April 19 |
| Academic Achievement Applications due (A-B) or faxed no later than April 22 *** | 43 | April 21 |
| Regional tournament pairings released (A-B) | 43 | April 21 |
| Count all games played through this date for pairings at regional meeting (5A-6A) | 43 | April 22 |
| Regional meetings (5A-6A) | 43 | April 23-24 |
| Regional tournament (A-B) | 43 | April 24-25-26 |
| District tournament to be completed (2A-3A-4A) | 43 | April 26 |
| Regional tournament pairings released (2A-3A-4A) | 44 | April 28 |
| State tournament pairings released (A-B) | 44 | April 28 |
| Academic Achievement Application due (2A-6A) or faxed no later than May 1*** | 44 | April 28 |
| Regional tournaments (2A-6A) | 44 | May 1-2-3 |
| State tournaments (A-B) | 44 | May 1-2-3 |
| State tournament pairings released (2A-6A) | 45 | May 5 |
| State tournaments (2A-3A-4A) | 45 | May 8-9-10 |
| State tournaments (5A-6A) | 45 | May 7-8-9-10 |
