Using high-schoolers and students to stir things up has been a traditional MO of the french "left-of-the-left" for decades. It's not particularly hard to convince a group of teenagers to skip class and join a "manif'". From there it's all just a walk in the park for "agitateurs" to turn them into cannon fodder and set up the good old "bavure" trap for the government.

https://archive.ph/MjuSV