The children, students of a private school, were headed for the school when the mishap occurred near Jaheera village in Lambhra, close to Nakodar, a senior police official said.
The driver of the school van was also killed in the mishap.
"The mishap took place at 8:AM in Jaheera village when the bus of Akal Academy was taking students to the school," Jalandhar Rural SP (D) Rajinder Singh said.
Around 30 children were stated to be travelling in the van when the truck laden with bricks collided with it.
The injured students were rushed to a local hospital.