Schools blockaded as tens of thousands of protesters take to streets in France
Students, staff and parents march in cities including Marseille and Lyon, while up to 40,000 expected in Paris

TL;DR
- Nearly 90,000 students, staff, and parents protested nationwide in France.
- Protesters blockaded hundreds of high schools, demanding better conditions.
- Demonstrations involved clashes with riot police, resulting in injuries and arrests.
- Students cited issues like absent teachers, long hours, and crumbling classrooms.
- Human rights groups and trade unions accused police of excessive force.
- The government is pressured to address student demands ahead of presidential elections.
- The radical-left La France Insoumise party is accused of encouraging the movement.