I pray your niece's husband isn't one too. God bless him and hope he stay's safe.
She told us one time that it is unnerving, because the Muslim fathers come around and stare in the classroom windows, just watching...who knows for what?
It was also un-PC to require the students to learn English; instead, the teachers were required to learn, I think she said either Farsi or Pashtu. Part of their "The Luton Ethnic Minority Achievement Strategy Team works with headteachers, teachers, teaching assistants and community groups in:
...Identifying and sharing curriculum approaches that reflect, celebrate and promote cultural and linguistic diversity..."