San Antonio Isd 2019-2020 Calendar https://sanantonioisd.tandem.co/ Key dates for San Antonio Isd. en-us 8/12/19 First Day of School https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=419 419-sanantonioisd@intand.com 9/2/19 Labor Day https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=334 334-sanantonioisd@intand.com 9/20/19 Student Holiday / Staff Development https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=420 420-sanantonioisd@intand.com 10/7/19 Holiday - Fall Break https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=421 421-sanantonioisd@intand.com 10/14/19 Columbus Day https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=335 335-sanantonioisd@intand.com 10/14/19 Student Holiday/Staff Development https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=422 422-sanantonioisd@intand.com 10/31/19 Halloween https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=336 336-sanantonioisd@intand.com 11/3/19 Daylight Saving Time Ends https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=338 338-sanantonioisd@intand.com 11/11/19 Veteran's Day https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=337 337-sanantonioisd@intand.com 11/25/19 - 11/29/19 Thanksgiving Break https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=423 423-sanantonioisd@intand.com 11/28/19 Thanksgiving https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=339 339-sanantonioisd@intand.com 12/23/19 - 1/3/20 Winter Break https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=424 424-sanantonioisd@intand.com 12/25/19 Christmas Day https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=340 340-sanantonioisd@intand.com 1/1/20 New Year's Day https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=341 341-sanantonioisd@intand.com 1/6/20 Student Holiday/Staff Development https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=425 425-sanantonioisd@intand.com 1/20/20 Martin Luther King Day https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=342 342-sanantonioisd@intand.com 2/14/20 Valentine's Day https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=343 343-sanantonioisd@intand.com 2/17/20 President's Day https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=344 344-sanantonioisd@intand.com 3/8/20 Daylight Saving Time Begins https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=345 345-sanantonioisd@intand.com 3/9/20 - 3/13/20 Spring Break https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=426 426-sanantonioisd@intand.com 3/17/20 St. Patrick's Day https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=346 346-sanantonioisd@intand.com 4/10/20 Easter Break https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=427 427-sanantonioisd@intand.com 4/12/20 Easter https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=347 347-sanantonioisd@intand.com 4/24/20 Holiday - Battle of Flowers https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=428 428-sanantonioisd@intand.com 5/5/20 Cinco De Mayo https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=348 348-sanantonioisd@intand.com 5/25/20 Memorial Day https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=349 349-sanantonioisd@intand.com 5/27/20 Last Day of School https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=429 429-sanantonioisd@intand.com 7/4/20 Independence Day https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=350 350-sanantonioisd@intand.com