After clashes with the police, 148 students were arrested on Thursday, December 6, in front of a high school in Mantes-la-Jolie (Yvelines). The students were forced to kneel for several hours with hands tied or held above their heads before being taken to the police station. The arrests took place in a car park in front of the school.

"There were individuals who were threwing stones at the police. There was a second patrol that came to arrest them," said a high school student.

200 high schools blocked throughout the country. The day before, vehicles had been set on fire on the fringes of the blockades. Nearly 4,000 high school students mobilized throughout France. In Nantes (Loire-Atlantique), cars were set on fire. Police responded with tear gas. In total, 200 high schools were blocked in France, out of 4,200 schools.