School leaders said they will have counselors on hand all day and a therapy dog for any students in need.
He is facing a preliminary charge of attempted residential entry.
The driver of the truck is yet to be found.
The driver was taken to the hospital in serious condition
In July, Alex was diagnosed with stage 4 Rhabdomyosarcoma Cancer.
Officials say the airport helps generate $17 million in annual economic activity.
The famed Lewis and Clark expedition that explored vast tracts of the West departed from the Clark County town of Clarksville in 1803.
Harold Vincent said it was the largest single donation to the fund.