Orange Unified 2010-2011 Calendar https://orangeunified.tandem.co/ Key dates for Orange Unified. en-us 8/18/10 Teacher Prep Day https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=153 153-orangeunified@intand.com 8/19/10 First Day of Instruction https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=154 154-orangeunified@intand.com 9/6/10 Labor Day https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=61 61-orangeunified@intand.com 10/11/10 Columbus Day https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=62 62-orangeunified@intand.com 10/22/10 End of 1st Quarter ‐ Minimum Day/Elementary and High School https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=155 155-orangeunified@intand.com 10/25/10 - 10/29/10 Parent Conferences (Elementary)Minimum days https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=156 156-orangeunified@intand.com 10/29/10 No Parent Conference/No Minimum Day https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=157 157-orangeunified@intand.com 10/31/10 Halloween https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=63 63-orangeunified@intand.com 11/7/10 Daylight Saving Time Ends https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=65 65-orangeunified@intand.com 11/11/10 Veteran's Day https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=64 64-orangeunified@intand.com 11/12/10 End of 1st Trimester ‐ Minimum Day Cerro Villa, Portola, Santiago & Yorba MS ‐ only https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=159 159-orangeunified@intand.com 11/22/10 - 11/26/10 Thanksgiving https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=66 66-orangeunified@intand.com 12/20/10 - 1/7/11 Winter Break https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=158 158-orangeunified@intand.com 12/25/10 Christmas Day https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=67 67-orangeunified@intand.com 1/1/11 New Year's Day https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=68 68-orangeunified@intand.com 1/17/11 Martin Luther King Day https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=69 69-orangeunified@intand.com 1/20/11 Minimum Day ‐ High Schools https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=160 160-orangeunified@intand.com 1/21/11 End of 2nd Quarter ‐ Min Day HS & Elem https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=161 161-orangeunified@intand.com 2/1/11 Parent Conference/MinimumDay https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=162 162-orangeunified@intand.com 2/14/11 Valentine's Day https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=70 70-orangeunified@intand.com 2/21/11 President's Day https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=71 71-orangeunified@intand.com 3/4/11 End of 2nd Trimester ‐ Minimum Day Cerro Villa, Portola, Santiago & Yorba MS ‐ only https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=163 163-orangeunified@intand.com 3/13/11 Daylight Saving Time Begins https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=72 72-orangeunified@intand.com 3/17/11 St. Patrick's Day https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=73 73-orangeunified@intand.com 4/1/11 End of 3rd Quarter ‐ Minimum Day Elem & HS https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=164 164-orangeunified@intand.com 4/4/11 - 4/15/11 Spring Break https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=165 165-orangeunified@intand.com 4/24/11 Easter https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=74 74-orangeunified@intand.com 5/5/11 Cinco De Mayo https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=75 75-orangeunified@intand.com 5/30/11 Memorial Day https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=76 76-orangeunified@intand.com 6/15/11 Minimum Day ‐ HS & Elementary https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=166 166-orangeunified@intand.com 6/16/11 Last Day of Instruction ‐ Minimum Day https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=167 167-orangeunified@intand.com 7/4/11 Independence Day https://orangeunified.tandem.co/index.php?type=key_date&action=details&id=77 77-orangeunified@intand.com