COMMERCE PUBLIC SCHOOLS 2008-2009 Calendar https://cps.tandem.co/ Key dates for COMMERCE PUBLIC SCHOOLS. en-us 8/14/08 First Day of Classroom Instruction https://cps.tandem.co/index.php?type=key_date&action=details&id=1242 1242-commerceokus@intand.com 9/1/08 Labor Day Holiday-No School https://cps.tandem.co/index.php?type=key_date&action=details&id=1248 1248-commerceokus@intand.com 10/16/08 - 10/17/08 Fall Break-No School https://cps.tandem.co/index.php?type=key_date&action=details&id=1243 1243-commerceokus@intand.com 10/31/08 HAPPY HALLOWEEN https://cps.tandem.co/index.php?type=key_date&action=details&id=1548 1548-commerceokus@intand.com 11/26/08 - 11/28/08 Thanksgiving Break https://cps.tandem.co/index.php?type=key_date&action=details&id=1244 1244-commerceokus@intand.com 12/20/08 - 1/4/09 Winter Break https://cps.tandem.co/index.php?type=key_date&action=details&id=1247 1247-commerceokus@intand.com 2/13/09 Professional Day https://cps.tandem.co/index.php?type=key_date&action=details&id=1256 1256-commerceokus@intand.com 3/16/09 - 3/20/09 Spring Break https://cps.tandem.co/index.php?type=key_date&action=details&id=1253 1253-commerceokus@intand.com 5/15/09 Last Day of Classroom Instruction https://cps.tandem.co/index.php?type=key_date&action=details&id=1246 1246-commerceokus@intand.com 5/17/09 Senior High Commencement https://cps.tandem.co/index.php?type=key_date&action=details&id=1245 1245-commerceokus@intand.com 5/18/09 Professional Day https://cps.tandem.co/index.php?type=key_date&action=details&id=1255 1255-commerceokus@intand.com