CAMDEN SCHOOL FOR GIRLS OCCUPIED by over 100 school students who are currently staging a 24 teach-in

some head teachers have been shutting schools where "Sleep-in" protests are planned, Islington Sixth Form College has closed for the day after management heard about plans by pupils to stage a protest sit-in.

And this report:  http://www.bbc.co.uk/news/education-11946532

“At Acland Burghley School in north London, pupils were sent home early because of a planned occupation
But later, sixth-form students were allowed back in to hold a protest meeting in the school hall, which the school said would end at 1800 GMT.
Pupils arrived this afternoon with sleeping bags and told the BBC News website they were planning on staying.
Joseph, 17, said: “We are going to occupy the school overnight. I don’t think it’s right that the government is increasing fees to £9,000.
“The government is condemning students to heavy debts for years to come.”
Ms Armitage later told BBC News the pupils were not being allowed to stay and she expected them to leave. “