The incident took place in Gymnasium Johannes Rau in the city of Wuppertal, North Rhine-Westphalia state, and was first reported by Der Westen newspaper on Thursday.
The paper released a letter written by school authorities to the teachers.
“In the last few weeks, it has increasingly been observed that Muslim students are praying, quite visibly to others, indicated by ritual washing in the bathrooms, the rolling out of prayer rugs, and by the students putting their bodies in certain positions. That is not permitted,” the letter stated…. [read more]