San Antonio Isd 2020-2021 Calendar https://sanantonioisd.tandem.co/ Key dates for San Antonio Isd. en-us 7/27/20 - 7/31/20 New Teacher Orientation https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=430 430-sanantonioisd@intand.com 8/3/20 - 8/7/20 Staff Development | Teacher Workday https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=431 431-sanantonioisd@intand.com 8/10/20 First Day of School | Start of 1st Semester https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=432 432-sanantonioisd@intand.com 9/7/20 Labor Day https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=351 351-sanantonioisd@intand.com 10/8/20 End of 1st Nine Weeks https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=433 433-sanantonioisd@intand.com 10/9/20 Student Holiday | Staff Development | Teacher Professional Time https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=434 434-sanantonioisd@intand.com 10/12/20 Columbus Day https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=352 352-sanantonioisd@intand.com 10/12/20 Holiday https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=435 435-sanantonioisd@intand.com 10/13/20 Start of the 2nd Nine Weeks https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=436 436-sanantonioisd@intand.com 10/31/20 Halloween https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=353 353-sanantonioisd@intand.com 11/1/20 Daylight Saving Time Ends https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=355 355-sanantonioisd@intand.com 11/11/20 Veteran's Day https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=354 354-sanantonioisd@intand.com 11/23/20 - 11/27/20 Holiday - Thanksgiving Break https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=437 437-sanantonioisd@intand.com 11/26/20 Thanksgiving https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=356 356-sanantonioisd@intand.com 12/18/20 End of 2nd Nine Weeks | End of 1st Semester https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=438 438-sanantonioisd@intand.com 12/21/20 - 1/1/21 Holiday - Winter Break https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=439 439-sanantonioisd@intand.com 12/25/20 Christmas Day https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=357 357-sanantonioisd@intand.com 1/1/21 New Year's Day https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=358 358-sanantonioisd@intand.com 1/4/21 Student Holiday | Staff Development | Teacher Professional Time https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=440 440-sanantonioisd@intand.com 1/5/21 Start of 3rd Nine Weeks | Start of the 2nd Semester https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=441 441-sanantonioisd@intand.com 1/18/21 Martin Luther King Day https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=359 359-sanantonioisd@intand.com 2/14/21 Valentine's Day https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=360 360-sanantonioisd@intand.com 2/15/21 President's Day https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=361 361-sanantonioisd@intand.com 3/4/21 End of 3rd Nine Weeks https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=442 442-sanantonioisd@intand.com 3/5/21 - 3/12/21 Holiday | Spring Break https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=443 443-sanantonioisd@intand.com 3/14/21 Daylight Saving Time Begins https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=362 362-sanantonioisd@intand.com 3/15/21 Student Holiday | Staff Development | Teacher Professional Time https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=444 444-sanantonioisd@intand.com 3/16/21 Start of 4th Nine Weeks https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=445 445-sanantonioisd@intand.com 3/17/21 St. Patrick's Day https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=363 363-sanantonioisd@intand.com 4/2/21 Holiday - Easter Break https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=446 446-sanantonioisd@intand.com 4/4/21 Easter https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=364 364-sanantonioisd@intand.com 4/23/21 Holiday - Battle of Flowers https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=447 447-sanantonioisd@intand.com 5/5/21 Cinco De Mayo https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=365 365-sanantonioisd@intand.com 5/26/21 Last Day of School | End of 2nd Semester https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=448 448-sanantonioisd@intand.com 5/27/21 Teacher Workday | Bad Weather Makeup Day https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=449 449-sanantonioisd@intand.com 5/31/21 Memorial Day https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=366 366-sanantonioisd@intand.com 7/4/21 Independence Day https://sanantonioisd.tandem.co/index.php?type=key_date&action=details&id=367 367-sanantonioisd@intand.com