Williamson County School District 2009-2010 Calendar http://williamsoncounty.tandem.co/ Key dates for Williamson County School District. en-us 8/4/09 - 8/5/09 New Teacher Orientation http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=150 150-williamsoncounty@intand.com 8/6/09 Administrative Day (All Teachers) http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=151 151-williamsoncounty@intand.com 8/7/09 District Wide Staff Development (All Teachers) http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=152 152-williamsoncounty@intand.com 8/10/09 Site Based Staff Development (All Teachers) http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=153 153-williamsoncounty@intand.com 8/11/09 Administrative Day (All Teachers) http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=154 154-williamsoncounty@intand.com 8/12/09 Administrative Day (All Teachers Work in Clsrs) http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=155 155-williamsoncounty@intand.com 8/13/09 First full day for students http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=156 156-williamsoncounty@intand.com 9/7/09 Labor Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=65 65-williamsoncounty@intand.com 9/7/09 Labor Day (System Closed) No School http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=157 157-williamsoncounty@intand.com 9/29/09 Parent Teacher Conferences Students 1/2 Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=158 158-williamsoncounty@intand.com 10/12/09 Columbus Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=66 66-williamsoncounty@intand.com 10/14/09 End of First Quarter Grading Period (44 days) http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=159 159-williamsoncounty@intand.com 10/19/09 - 10/20/09 Fall Break (October 19 System Closed) No School for Students http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=160 160-williamsoncounty@intand.com 10/20/09 Site Based Staff Development (All Teachers) http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=161 161-williamsoncounty@intand.com 10/31/09 Halloween http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=67 67-williamsoncounty@intand.com 11/1/09 Daylight Saving Time Ends http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=69 69-williamsoncounty@intand.com 11/11/09 Veteran's Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=68 68-williamsoncounty@intand.com 11/25/09 - 11/27/09 Thanksgiving Holiday (System Closed 26-27) No School http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=162 162-williamsoncounty@intand.com 11/26/09 Thanksgiving http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=70 70-williamsoncounty@intand.com 12/15/09 - 12/18/09 First Semester Exams http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=163 163-williamsoncounty@intand.com 12/18/09 End of First Semester (86 instructional days) Students 1/2 Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=164 164-williamsoncounty@intand.com 12/21/09 - 1/1/10 Winter Holiday--(System Closed Dec 23-25 and Dec 30-Jan 1) No School http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=165 165-williamsoncounty@intand.com 12/25/09 Christmas Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=71 71-williamsoncounty@intand.com 1/1/10 New Year's Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=72 72-williamsoncounty@intand.com 1/4/10 First Student Day Second Semester http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=166 166-williamsoncounty@intand.com 1/18/10 Martin Luther King, Jr. Day (System Closed) No School http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=167 167-williamsoncounty@intand.com 1/18/10 Martin Luther King Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=73 73-williamsoncounty@intand.com 2/14/10 Valentine's Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=74 74-williamsoncounty@intand.com 2/15/10 District Wide Staff Development No Students http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=168 168-williamsoncounty@intand.com 2/15/10 President's Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=75 75-williamsoncounty@intand.com 3/8/10 Site Based Staff Development (All Teachers) No Students http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=169 169-williamsoncounty@intand.com 3/9/10 ACT Testing: All 11th Grade Students http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=170 170-williamsoncounty@intand.com 3/12/10 End of Third Quarter Grading Period (47 days) http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=171 171-williamsoncounty@intand.com 3/14/10 Daylight Saving Time Begins http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=76 76-williamsoncounty@intand.com 3/17/10 St. Patrick's Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=77 77-williamsoncounty@intand.com 3/22/10 - 3/29/10 TCAP http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=172 172-williamsoncounty@intand.com 4/2/10 - 4/9/10 Spring Break (System Closed April 2-5) No School http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=173 173-williamsoncounty@intand.com 4/4/10 Easter http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=78 78-williamsoncounty@intand.com 5/5/10 Cinco De Mayo http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=79 79-williamsoncounty@intand.com 5/18/10 - 5/21/10 Semester Exams http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=174 174-williamsoncounty@intand.com 5/21/10 - 5/23/10 Graduation Window http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=177 177-williamsoncounty@intand.com 5/24/10 Administrative Day (All Teachers) http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=176 176-williamsoncounty@intand.com 5/31/10 Memorial Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=80 80-williamsoncounty@intand.com 7/4/10 Independence Day http://williamsoncounty.tandem.co/index.php?type=key_date&action=details&id=81 81-williamsoncounty@intand.com