Prince William County Public Schools 2009-2010 Calendar https://princewilliamcountypublics.tandem.co/ Key dates for Prince William County Public Schools. en-us 8/4/09 New Teacher Orientation https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=35 35-princewilliamcountypublics@intand.com 8/5/09 Professional Development Day (No Students) https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=36 36-princewilliamcountypublics@intand.com 8/6/09 Institute/Teacher Work Day (No Students) https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=37 37-princewilliamcountypublics@intand.com 8/7/09 First Day for Students https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=38 38-princewilliamcountypublics@intand.com 9/4/09 Professional Development Day (No Students) https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=39 39-princewilliamcountypublics@intand.com 9/7/09 Labor Day https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=18 18-princewilliamcountypublics@intand.com 9/7/09 Labor Day (Schools & District Offices Closed) https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=40 40-princewilliamcountypublics@intand.com 10/12/09 Columbus Day https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=19 19-princewilliamcountypublics@intand.com 10/19/09 Early Dismissal (Parents will pick-up Report Cards) https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=41 41-princewilliamcountypublics@intand.com 10/30/09 Fall Break (School & District Offices Closed) https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=42 42-princewilliamcountypublics@intand.com 10/31/09 Halloween https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=20 20-princewilliamcountypublics@intand.com 11/1/09 Daylight Saving Time Ends https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=22 22-princewilliamcountypublics@intand.com 11/11/09 Veteran's Day https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=21 21-princewilliamcountypublics@intand.com 11/11/09 Veterans’ Day (Schools & District Offices Closed) https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=43 43-princewilliamcountypublics@intand.com 11/25/09 - 11/27/09 Thanksgiving Holidays (Schools & District Offices Closed) https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=44 44-princewilliamcountypublics@intand.com 11/26/09 Thanksgiving https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=23 23-princewilliamcountypublics@intand.com 12/17/09 End of First Semester https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=45 45-princewilliamcountypublics@intand.com 12/18/09 - 1/4/10 Students’ Christmas Holidays https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=47 47-princewilliamcountypublics@intand.com 12/18/09 Teacher Work Day (No Students) https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=46 46-princewilliamcountypublics@intand.com 12/25/09 Christmas Day https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=24 24-princewilliamcountypublics@intand.com 1/1/10 New Year's Day https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=25 25-princewilliamcountypublics@intand.com 1/4/10 In-house Professional Development Day (No Students) https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=48 48-princewilliamcountypublics@intand.com 1/5/10 Schools Re-Open (Second Semester Begins) https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=49 49-princewilliamcountypublics@intand.com 1/18/10 Martin Luther King, Jr. Day (Schools & District Offices Closed) https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=50 50-princewilliamcountypublics@intand.com 1/18/10 Martin Luther King Day https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=26 26-princewilliamcountypublics@intand.com 2/12/10 District-wide Professional Development Day (No Students) https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=51 51-princewilliamcountypublics@intand.com 2/14/10 Valentine's Day https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=27 27-princewilliamcountypublics@intand.com 2/15/10 President's Day https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=28 28-princewilliamcountypublics@intand.com 2/15/10 Presidents’ Day (Schools & District Offices Closed) https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=52 52-princewilliamcountypublics@intand.com 3/14/10 Daylight Saving Time Begins https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=29 29-princewilliamcountypublics@intand.com 3/15/10 - 3/19/10 Spring Break https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=53 53-princewilliamcountypublics@intand.com 3/17/10 St. Patrick's Day https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=30 30-princewilliamcountypublics@intand.com 4/4/10 Easter https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=31 31-princewilliamcountypublics@intand.com 4/16/10 Spring Holiday https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=54 54-princewilliamcountypublics@intand.com 4/19/10 Spring Holiday https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=55 55-princewilliamcountypublics@intand.com 5/5/10 Cinco De Mayo https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=32 32-princewilliamcountypublics@intand.com 5/18/10 - 5/20/10 High School Graduations https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=56 56-princewilliamcountypublics@intand.com 5/26/10 Last Day for Students https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=57 57-princewilliamcountypublics@intand.com 5/27/10 Teacher Work Day https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=58 58-princewilliamcountypublics@intand.com 5/28/10 Inclement Weather Day https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=59 59-princewilliamcountypublics@intand.com 5/31/10 Memorial Day https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=33 33-princewilliamcountypublics@intand.com 5/31/10 Memorial Day Holiday https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=60 60-princewilliamcountypublics@intand.com 6/1/10 Inclement Weather Day https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=61 61-princewilliamcountypublics@intand.com 7/4/10 Independence Day https://princewilliamcountypublics.tandem.co/index.php?type=key_date&action=details&id=34 34-princewilliamcountypublics@intand.com