OSA Calendar of Events 2011-12
| Date | Event | More Information |
| Aug 28-Sept 1 | PennCORP, PennQuest, PENNacle, PENNarts, PENNgreen | Civic House, Student Affairs, Platt House |
| Sept 1 | NSO begins | CHAS |
| Sept 5 | Student Organization Fair | Student Affairs, SAC, NSO |
| Sept 6 | Convocation | President's Office |
| Sept 7 | First day of classes | |
| Sept 28-30 | Rosh Hashanah (begins at sundown on Sept 28) | |
| Sept 30-Oct 2 | Fall Leadership Weekend | Student Affairs |
| Oct 7-8 | Yom Kippur (begins at sundown on Oct 7) | |
| Oct 8-11 | Fall Break | |
| Oct 28-30 | Family Weekend | Student Affairs |
| Nov 5 | Homecoming (Princeton) | Alumni Relations, Student Affairs |
| Nov 24-27 | Thanksgiving break | |
| Dec 9 | Last day of classes | |
| Dec 10-13 | Reading days | |
| Dec 14-21 | Final exams | |
| Dec 21-Jan 11 | Winter break | |
| Jan 11 | First day of classes | |
| Jan 15 | Spring Activities Fair | SAC, Student Affairs |
| Jan 16 | MLK Day | |
| Feb 3-5 | Spring Leadership Retreat | Student Affairs |
| Mar 3-11 | Spring break | |
| April 6 | Good Friday | |
| April 8 | Easter Sunday | |
| April 6-14 | Passover | |
| Apr 13-14 | Spring Fling | SPEC, Student Affairs |
| TBD | Hey Day | Student Affairs, Class of 2013 |
| Apr 24 | Last day of classes | |
| Apr 25 | Hey Day | |
| Apr 25-27 | Reading days | |
| Apr 26-28 | Penn Relays | Athletics |
| Apr 30-May 8 | Final exams | |
| May 8-11 | Senior Week | Student Affairs, Class of 2012 |
| May 12 | Ivy Day | Student Affairs |
| May 12 | Alumni Day | Alumni Relations |
| May 13 | Baccalaureate | Chaplain's Office |
| May 14 | Commencement | |