She says it is a temporary measure for students from other schools who come to Norrstrandsskolan to be rejected.

- It is quiet at school, we have a safe work environment and a safe situation, but we do not want students from other schools and then we made the assessment that we have a guardian outside the school today to evict students from other schools, says Sofia Hedberg.

But what happened?

"We've had some incidents in the past," she says.

Otherwise, she refers to the municipality's school director. We have applied in vain to School Director Maria Källström for comments.