| Apr 20-22 | Fellowship Weekend |
| April 20 | Career Day |
| April 20 | MHSAA Board Meeting |
| April 20 | 58th Annual Alumni-Senior Dinner, Hershey Lodge |
| April 21 | Alumni Breakfast, Purcell Friendship Hall |
| April 21 | Class Agent Meeting, Southfield Alumni Center |
| April 21 | MHSAA Cancer Care Run/Walk, beginning at MHS Ice Rink |
| May 1 | Deadline for MHSAA Board and MHSAA Honorary Member nominations |
| May 12 | Parent Weekend Show |
| May 20 | Alumni-Sponsored Student Awards Brunch |
| May 20 | MHSAA Board Meeting |
| June 2 | 5th Annual Spartan Boys Basketball Alumni Game |
| June 10 | Commencement Day |
| July 8 | MHSAA Board Meeting |
| Aug 19 | MHSAA Board Meeting |
| Sept 14-16 | Homecoming 2012 |
| Sept 15 | MHSAA Annual Business Meeting, Founders Hall |
| Oct 1 | Deadline for 2013 Alumnus of the Year and Alumni Achievement Award nominations. Nominations accepted throughout the year. |
