| Dates | Event | School(s) |
|---|---|---|
| 7/31/2011 | Ramadan begins | The Overlake School |
| 8/22/2011 - 8/23/2011 | New Faculty Orientation | The Overlake School |
| 8/23/2011 - 8/26/2011 | Faculty Prep Day | The Overlake School |
| 8/29/2011 | Classes begin for all Students | The Overlake School |
| 8/30/2011 | Eid al-Fitr | The Overlake School |
| 9/5/2011 | Labor Day | All Schools |
| 9/28/2011 | Rosh Hashana begins | The Overlake School |
| 9/29/2011 - 9/30/2011 | Rosh Hashana | The Overlake School |
| 10/14/2011 | No School for Students | The Overlake School |
| 10/21/2011 | No School for Students | The Overlake School |
| 10/26/2011 | Diwali | The Overlake School |
| 10/31/2011 | Halloween | All Schools |
| 11/3/2011 | No School for Students | The Overlake School |
| 11/4/2011 | No School for Students | The Overlake School |
| 11/5/2011 | Eid al-Adha begins | The Overlake School |
| 11/6/2011 | Daylight Saving Time Ends | All Schools |
| 11/6/2011 | Eid al-Adha | The Overlake School |
| 11/11/2011 | Veteran's Day | All Schools |
| 11/23/2011 | 1/2 Day for Students | The Overlake School |
| 11/24/2011 | Thanksgiving | All Schools |
| 11/25/2011 | School Holiday | The Overlake School |
| 12/16/2011 | 1/2 Day for Students | The Overlake School |
| 12/19/2011 - 12/23/2011 | Winter Holiday | The Overlake School |
| 12/20/2011 | Hanukkah begins | The Overlake School |
| 12/21/2011 - 12/28/2011 | Hanukkah | The Overlake School |
| 12/25/2011 | Christmas Day | All Schools |
| 12/26/2011 - 12/30/2011 | Winter Holiday | The Overlake School |
| 1/1/2012 | New Year's Day | All Schools |
| 1/2/2012 | Classes Resume | The Overlake School |
| 1/13/2012 | No School for Students | The Overlake School |
| 1/16/2012 | Martin Luther King Day | All Schools |
| 1/23/2012 | Chinese New Year | The Overlake School |
| 2/14/2012 | Valentine's Day | All Schools |
| 2/20/2012 | President's Day | All Schools |
| 2/20/2012 - 2/24/2012 | Winter Break | The Overlake School |
| 3/2/2012 | No School for Students | The Overlake School |
| 3/11/2012 | Daylight Saving Time Begins | All Schools |
| 4/1/2012 | Palm Sunday | The Overlake School |
| 4/2/2012 - 4/6/2012 | Project Week | The Overlake School |
| 4/6/2012 | Good Friday | The Overlake School |
| 4/7/2012 | Passover begins | The Overlake School |
| 4/8/2012 | Easter | The Overlake School |
| 4/8/2012 | Easter | All Schools |
| 4/8/2012 - 4/14/2012 | Passover | The Overlake School |
| 4/9/2012 - 4/13/2012 | Spring Break | The Overlake School |
| 5/2/2012 | 1/2 Day for Students | The Overlake School |
| 5/28/2012 | Memorial Day | All Schools |
| 6/8/2012 | Last day of Classes | The Overlake School |
| 7/4/2012 | Independence Day | All Schools |
Tandem
