As of 11 p.m. Monday, 21 students, one teacher, one parent chaperone and the bus driver have been released from the hospital, according to the School District of Philadelphia.
A C.W. Henry parent said she was told by school staff that the critically injured adult was a teacher.
University of Maryland Medical System spokesman Michael Schwartzberg says Jacobs is in critical condition.
A bus filled 26 children and three chaperones overturned on South Bound I-95 near Havre de Grace in Maryland this morning.
A passenger vehicle was involved in the crash after attempting to pass. Maryland police said the auto lost control and veered in front of the charter bus. She did not provide the child's age, injuries or condition.
Police in Maryland say a vehicle that tried to pass the bus clipped it, causing it to overturn.
The University of Maryland said in a statement that 17 patients were taken to its hospital in Harford County. Edie Ritchie was on one of those buses. He says, fortunately, she only suffered minor injuries.
"She was more concerned about her students than her injuries", Fountain said.
"Bad accident. A full-sized bus rolled over twice", a 911 caller said.
Other bus passengers were taken to Christiana Hospital in Delaware. They happened to be one of three buses near the crash.
The school district said it would offer. counseling at the school when classes resume Wednesday.
A group of Philadelphia police recruits on a commercial bus behind the overturned bus stopped to help, he said.
Other passengers were transported by paramedics to nearby hospitals.
The children on board are from the C.W. Henry School in Philadelphia.
Parker said the crash, near mile marker 88.9, remains under investigation but there is "no sign" the bus driver is at fault. The Harford County State's Attorney Office said it needs to meet with investigators and go over the evidence first. Some got in their cars and headed to Maryland to be with their children, she said.
According to our media partners at The Baltimore Sun, the bus was operated by Werner Coach, which is based in Pennsylvania. The chartered bus they were riding in is owned by Werner Coach. A company spokesman said, "We're not ready to release that info yet".
At least two dozen people were injured.