All the children taken to hospital after three coaches collided with a petrol tanker on the A66 in North Yorkshire have been released.
The driver of one of the coaches was trapped inside
Pupils from Scotland were travelling to Lightwater Valley theme park when they were involved in the accident at East Layton, near Scotch Corner, on Friday.
North Yorkshire Police said only the coach driver remained in hospital.
Three children had been kept in hospital overnight while 158 others arrived home late on Friday.
South Lanarkshire Council said the buses involved in the accident were carrying children from John Ogilvie High School in Hamilton and Coltness High School in Wishaw.
The authority said 54 children were injured in the crash, but not seriously.
Two 13-year-old girls and a 12-year-old boy were detained overnight at Darlington Hospital while Darlington Council provided buses to take the other children home.
Councillor Mary Smith, South Lanarkshire Council's education chairwoman, said: "This was a very shocking incident but thankfully the injuries were minor.
"I would like to congratulate all of the staff who today put the needs of pupils first.
"I would also like to take this opportunity to thank each of the staff at the school who went out of their way to contact parents as the news came in."
The collision happened when a van turned right into the car park of the Fox Hall Inn at 1030 BST on Friday.
All the other vehicles behind, including the petrol tanker, slowed down but the coach at the rear did not.
It smashed into the coach immediately in front causing the pile-up, police
Eight ambulances and the Yorkshire Air Ambulance attended the scene as police closed the road in both directions.