NBC reported that doctors removed a third of one of the teen's lung. One bullet landed near his liver. Three hit his legs.
>> Read more trending news
His family said last month, that it plans to sue Broward County, the school district and the Sheriff's Office, CNN reported.
They plan to ask for unspecified monetary damages.
"The failure of Broward County Public Schools, and of the Principal and School Resource Officer to adequately protect students, and in particular our client, from life-threatening harm were unreasonable, callous and negligent," family attorney Alex Arreaza wrote in the notice of intent to sue, CNN reported.
A photo of Borges in his hospital bed from the Broward County Sheriff's Twitter feed went viral shortly after the shooting.
Gunman Nikolas Cruz, a former student at Marjory Stoneman Douglas High School, faces 17 counts of premeditated murder for the shooting.