The Uvalde Consolidated Independent School District told reporters that the shooter was near the campus and asked people to stay away from the area.
"There is an active shooter at Robb Elementary," the school district said in a tweet. "Law enforcement is on site. Your cooperation is needed at this time by not visiting the campus. As soon as more information is gathered it will be shared."
The shooting prompted the school to go into lockdown. Students there will be transported to St Willie Delon Civic Centre where they will be reunited with their parents.
The shooter is reportedly in police custody.
There are currently no reported injuries, but the story is still developing.
No injuries reported in shooting near Texas school
19:54 , Graig Graziosi
No reports of injuries have surfaced following an active shooter situation near a Texas elementary school.
The school went into lockdown and reported a shooting somewhere near the campus.
The story is still developing, and more information regarding possible injuries may be forthcoming.
Welcome to the liveblog
19:50 , Graig Graziosi
Welcome to The Independent’s coverage of a shooting near an elementary school campus in Uvalde, Texas.
The shooting sent the school into a lockdown on Tuesday.