Children were hurt in a crash on the A264 dual carriageway between Crawley and Horsham.
The accident involving a Ford Fiesta car and two school minibuses happened at about 4.25pm on Saturday (June 7).
A passenger in one of the minibuses, a 15-year-old girl, suffered a broken collarbone and the car driver, a 19-year-old man, needed stitches for an arm injury.
Both were taken to the East Surrey Hospital, Redhill, for treatment.
Nine other people in the minibuses sustained cuts and bruises.
The road was closed while emergency services dealt with the incident.
The minibuses, from Caterham School, in Harestone Valley Road, Caterham, were returning from a tennis fixture when the collision occurred.
Witnesses are asked to phone 101 or email firstname.lastname@example.org, quoting serial 1150 of 7/6.