A minibus driver was arrested after a collision in which a seven-year-old boy died.
Ambulance teams were called on stage at A466 Hereford Road in Monmouth at 3:50 p.m. GMT on Monday.
The Church of Osbaston at the School of Wales said he was “very sad” about the death of the child, whom he described as “a large part of school life.”
The bus driver, a 45-year-old man from Gloucester, was arrested on suspicion of causing death by careless driving.
The school principal, Catherine Jones, and the president of governors, Shonagh Hay, said in a joint statement: “We are very sad about the loss of our student.
“This lovely boy was a big part of school life, lively and always smiling.
“The entire school community is accepting this tragic news and we are keeping our memories of a very popular child, full of character and energy.
“He will be deeply missed by everyone.”
Peter Fox, the leader of the Monmouthshire council, said: “It is simply not possible to express in words how sad we feel.”
“We are here to help and we will support the school, children and colleagues over the next few days and for as long as necessary.”
A spokeswoman for the West Midlands Ambulance Service, who attended the scene along with teams from Wales, said the boy was a pedestrian.
She said: “Unfortunately, nothing could be done to save him and his death was confirmed.”
Gwent police closed the road between Withy Lane and Buckholt for several hours after the incident.
The driver remained in custody while the force appealed for witnesses.