| Dates | Event | School(s) |
|---|---|---|
| 6/13/2010 - 6/18/2010 | ONU Summer Music Camp | All Schools |
| 9/6/2010 | Labor Day | All Schools |
| 9/7/2010 | Fall Classes Begin | All Schools |
| 10/11/2010 | Columbus Day | All Schools |
| 10/31/2010 | Halloween | All Schools |
| 11/7/2010 | Daylight Saving Time Ends | All Schools |
| 11/11/2010 | Veteran's Day | All Schools |
| 11/15/2010 - 11/19/2010 | Fall Quarter Finals | All Schools |
| 11/20/2010 - 11/28/2010 | Thanksgiving Break | All Schools |
| 11/25/2010 | Thanksgiving | All Schools |
| 11/29/2010 | Winter Classes Begin | All Schools |
| 12/15/2010 - 12/18/2010 | Midwest Band & Orchestra Clinic | All Schools |
| 12/18/2010 - 1/2/2011 | Christmas Break | All Schools |
| 12/25/2010 | Christmas Day | All Schools |
| 1/1/2011 | New Year's Day | All Schools |
| 1/3/2011 | Winter Classes Resume | All Schools |
| 1/17/2011 | Martin Luther King Day | All Schools |
| 1/27/2011 - 1/29/2011 | OMEA Convention | All Schools |
| 2/14/2011 | Valentine's Day | All Schools |
| 2/21/2011 | President's Day | All Schools |
| 2/21/2011 - 2/25/2011 | Winter Quarter Finals | All Schools |
| 2/26/2011 - 3/6/2011 | Spring Break | All Schools |
| 3/7/2011 | Spring Classes Begin | All Schools |
| 3/13/2011 | Daylight Saving Time Begins | All Schools |
| 3/17/2011 | St. Patrick's Day | All Schools |
| 4/22/2011 - 4/25/2011 | Easter Break | All Schools |
| 4/22/2011 | Good Friday | All Schools |
| 4/24/2011 | Easter | All Schools |
| 4/26/2011 | Spring Classes Resume | All Schools |
| 5/5/2011 | Cinco De Mayo | All Schools |
| 5/7/2011 | Honors Day | All Schools |
| 5/15/2011 | Law Commencement | All Schools |
| 5/16/2011 - 5/20/2011 | Spring Quarter Finals | All Schools |
| 5/22/2011 | UG Commencement | All Schools |
| 5/30/2011 | Memorial Day | All Schools |
| 6/12/2011 - 6/17/2011 | ONU Summer Music Camp | All Schools |
| 7/4/2011 | Independence Day | All Schools |