Hays school bus with 44 pre-K students rolls over in Bastrop County.

A state trooper looks at a fatal school bus crash on SH 21 near Caldwell Road Friday March 22, 2024.

Travis County Fire Rescue Battalion Chief Jason Pack comforts a girl from a fatal school bus crash on SH 21 near Caldwell Road Friday March 22, 2024. Editor's note: The Austin American-Statesman is publishing photos of first responders and children following the school bus crash after careful consideration to document the breaking news and public safety nature of the incident.

Anabell Gonzalez places balloons on a memorial forming at Tom Green Elementary School in Buda, Texas, Match 23, 2023 after a class was involved in a bus crash that left one student dead the day before.

State troopers look at a vehicle that was involved in a fatal school bus crash on SH 21 near Caldwell Road Friday March 22, 2024.

A state trooper looks at a fatal school bus crash on SH 21 near Caldwell Road Friday March 22, 2024.

Families reunite with their children at Tom Green Elementary in Buda, Texas after Pre-K students from the school were involved in a bus roll-over crash outside of Austin, Friday, March 22, 2024.

A DPS trooper looks at a school bus crash on SH 21 near Caldwell Road Friday March 22, 2024.

Families reunite with their children at Tom Green Elementary in Buda, Texas after Pre-K students from the school were involved in a bus roll-over crash outside of Austin, Friday, March 22, 2024.

This school bus crash was involved in a fatal accident on SH 21 near Caldwell Road Friday March 22, 2024.

A boy is comforted while he is being transported from a fatal school bus crash on SH 21 near Caldwell Road Friday March 22, 2024. Editor's note: The Austin American-Statesman is publishing photos of first responders and children following the school bus crash after careful consideration to document the breaking news and public safety nature of the incident.

Families reunite with their children at Tom Green Elementary in Buda, Texas after Pre-K students from the school were involved in a bus roll-over crash outside of Austin, Friday, March 22, 2024.

People are transported from a fatal school bus crash on SH 21 near Caldwell Road Friday March 22, 2024. Editor's note: The Austin American-Statesman is publishing photos of first responders and children following the school bus crash after careful consideration to document the breaking news and public safety nature of the incident.

A boy is comforted while he is being transported from a fatal school bus crash on SH 21 near Caldwell Road Friday March 22, 2024. Editor's note: The Austin American-Statesman is publishing photos of first responders and children following the school bus crash after careful consideration to document the breaking news and public safety nature of the incident.

Officials look at a fatal school bus crash on SH 21 near Caldwell Road Friday March 22, 2024.

A Travis County Fire Rescue Battalion Chief Jason Pack carries a girl from a fatal school bus crash on SH 21 near Caldwell Road Friday March 22, 2024. Editor's note: The Austin American-Statesman is publishing photos of first responders and children following the school bus crash after careful consideration to document the breaking news and public safety nature of the incident.

Tom Green Elementary in Buda, Texas where Pre-K students are reuniting with their parents after a bus from the school were involved in a roll-over crash outside of Austin, Friday, March 22, 2024.

People are transported from a fatal school bus crash on SH 21 near Caldwell Road Friday March 22, 2024. Editor's note: The Austin American-Statesman is publishing photos of first responders and children following the school bus crash after careful consideration to document the breaking news and public safety nature of the incident.

A bus with more than 40 people inside rolled over in western Bastrop County off Texas 21 Friday, March 22, 2024. According to law enforcement at least two people were killed including a child.