FBISD will no longer require masks at its outdoor activities The Flur Bluff ISD will no longer require masks to be worn during its outdoor activities. and last updated 2021-04-29 19:38:41-04 CORPUS CHRISTI, Texas â The Fl0ur Bluff ISD will no longer require masks to be worn during its outdoor activities. Flour Bluff Superintendent Velma Soliz-Garcia announced in a You Tube post that the move will be effective on Saturday. It will include sporting events on FBISD's campuses. Soliz-Garcia ways the reason they are making masks optional at these events is to align its policy with the newly released CDC national guidelines on mask-wearing requirements outdoors.