Lancaster Sd 2010-2011 Calendar https://lancastersd.tandem.co/ Key dates for Lancaster Sd. en-us 8/30/10 - 8/31/10 Professional Development Days https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=129 129-lancastersd@intand.com 8/31/10 Support Staff Development https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=124 124-lancastersd@intand.com 9/1/10 Schools Closed Teachers on Duty https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=126 126-lancastersd@intand.com 9/2/10 First Student Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=120 120-lancastersd@intand.com 9/2/10 Marking Periods FIRST https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=134 134-lancastersd@intand.com 9/3/10 Grades 10, 11 & 12 Report https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=121 121-lancastersd@intand.com 9/6/10 Labor Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=35 35-lancastersd@intand.com 9/8/10 All Staff Meeting https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=123 123-lancastersd@intand.com 10/11/10 Columbus Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=36 36-lancastersd@intand.com 10/11/10 Professional Development Days https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=130 130-lancastersd@intand.com 10/11/10 Support Staff Development https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=125 125-lancastersd@intand.com 10/31/10 Halloween https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=37 37-lancastersd@intand.com 11/1/10 - 11/2/10 Professional Development Days https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=131 131-lancastersd@intand.com 11/7/10 Daylight Saving Time Ends https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=39 39-lancastersd@intand.com 11/10/10 Marking Periods SECOND https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=135 135-lancastersd@intand.com 11/11/10 Veteran's Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=38 38-lancastersd@intand.com 11/25/10 Thanksgiving https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=40 40-lancastersd@intand.com 12/25/10 Christmas Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=41 41-lancastersd@intand.com 12/28/10 - 12/29/10 Schools Closed - Offices Open https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=132 132-lancastersd@intand.com 1/1/11 New Year's Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=42 42-lancastersd@intand.com 1/17/11 Martin Luther King Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=43 43-lancastersd@intand.com 1/24/11 Schools Closed Teachers on Duty https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=127 127-lancastersd@intand.com 1/27/11 Marking Periods THIRD https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=136 136-lancastersd@intand.com 2/14/11 Valentine's Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=44 44-lancastersd@intand.com 2/21/11 President's Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=45 45-lancastersd@intand.com 3/13/11 Daylight Saving Time Begins https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=46 46-lancastersd@intand.com 3/17/11 St. Patrick's Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=47 47-lancastersd@intand.com 4/4/11 Marking Periods FOURTH https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=137 137-lancastersd@intand.com 4/24/11 Easter https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=48 48-lancastersd@intand.com 5/5/11 Cinco De Mayo https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=49 49-lancastersd@intand.com 5/17/11 Schools Closed - Offices Open https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=133 133-lancastersd@intand.com 5/30/11 Memorial Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=50 50-lancastersd@intand.com 6/9/11 Last Student Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=122 122-lancastersd@intand.com 6/10/11 Schools Closed Teachers on Duty https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=128 128-lancastersd@intand.com 7/4/11 Independence Day https://lancastersd.tandem.co/index.php?type=key_date&action=details&id=51 51-lancastersd@intand.com