The CISD Natatorium is home of 2 world records and one of the premier aquatics facilities for both high school and college in Texas. In 2009 it was awarded "Best of Aquatics" by Aquatics International.

The Natatorium is  a 16,007 square foot 65- meter aquatic area consisting of a world-class 50 meter competitive pool with constant  seven(7) foot deep water venue, warm-up lanes and,  a dive well featuring (4)1-meter and (2) 3-Meter DURAFLEX Olympic diving boards, a Warm-pool and drip showers for diving participants.