On September 30, during the sports meet of Hengshui Middle School Experimental School in Hebei, students were required to hold a "toilet pass" to use the restroom, filling in their name and class and getting signatures from the class monitor and homeroom teacher, valid for single use only, sparking heated discussion among netizens.[Student Rights and Interests][North Koreanization][Hengshui][Persecutory Education][Hengshui Middle School Experimental School][Toilet Permit]