Orange County School District 2010-2011 Calendar https://orangecounty.tandem.co/ Key dates for Orange County School District. en-us 8/16/10 - 8/17/10 Pre Planning https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=76 76-orangecounty@intand.com 8/18/10 Staff Development Day https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=78 78-orangecounty@intand.com 8/19/10 - 8/20/10 Pre Planning https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=77 77-orangecounty@intand.com 8/23/10 First Day of School https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=79 79-orangecounty@intand.com 9/6/10 Holiday https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=80 80-orangecounty@intand.com 9/6/10 Labor Day https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=59 59-orangecounty@intand.com 10/11/10 Columbus Day https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=60 60-orangecounty@intand.com 10/15/10 Statewide Professional Day, Student Holiday, Teacher Non Workday https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=81 81-orangecounty@intand.com 10/28/10 End of 1st Marking Period (47 days) https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=82 82-orangecounty@intand.com 10/29/10 Student Holiday, Teacher Workday https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=83 83-orangecounty@intand.com 10/31/10 Halloween https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=61 61-orangecounty@intand.com 11/1/10 Begin 2nd Marking Period https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=84 84-orangecounty@intand.com 11/7/10 Daylight Saving Time Ends https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=63 63-orangecounty@intand.com 11/11/10 Veteran's Day https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=62 62-orangecounty@intand.com 11/22/10 Student Holiday/Teacher Non Workday https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=85 85-orangecounty@intand.com 11/23/10 Holiday https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=86 86-orangecounty@intand.com 11/24/10 - 11/26/10 Thanksgiving Break https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=87 87-orangecounty@intand.com 11/25/10 Thanksgiving https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=64 64-orangecounty@intand.com 12/20/10 - 12/31/10 Winter Break https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=88 88-orangecounty@intand.com 12/25/10 Christmas Day https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=65 65-orangecounty@intand.com 1/1/11 New Year's Day https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=66 66-orangecounty@intand.com 1/17/11 Holiday https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=89 89-orangecounty@intand.com 1/17/11 Martin Luther King Day https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=67 67-orangecounty@intand.com 1/20/11 End of 2nd Marking Period (43 days) https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=90 90-orangecounty@intand.com 1/21/11 Student Holiday Teacher Workday https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=91 91-orangecounty@intand.com 1/24/11 1st day, 2nd semester https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=92 92-orangecounty@intand.com 2/14/11 Valentine's Day https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=68 68-orangecounty@intand.com 2/21/11 Holiday https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=93 93-orangecounty@intand.com 2/21/11 President's Day https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=69 69-orangecounty@intand.com 3/13/11 Daylight Saving Time Begins https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=70 70-orangecounty@intand.com 3/17/11 St. Patrick's Day https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=71 71-orangecounty@intand.com 3/24/11 End of 3rd Marking Period (43 days) https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=94 94-orangecounty@intand.com 3/25/11 Student Holiday Teacher Workday https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=95 95-orangecounty@intand.com 3/28/11 - 4/1/11 Spring Break https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=96 96-orangecounty@intand.com 4/4/11 Begin 4th Marking Period https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=97 97-orangecounty@intand.com 4/24/11 Easter https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=72 72-orangecounty@intand.com 5/5/11 Cinco De Mayo https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=73 73-orangecounty@intand.com 5/30/11 Memorial Day https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=74 74-orangecounty@intand.com 5/30/11 Student/Teacher Holiday https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=98 98-orangecounty@intand.com 6/8/11 Last day of school End of 4th Marking Period (47 days) https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=99 99-orangecounty@intand.com 6/9/11 - 6/10/11 Post Planning https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=100 100-orangecounty@intand.com 7/4/11 Independence Day https://orangecounty.tandem.co/index.php?type=key_date&action=details&id=75 75-orangecounty@intand.com