On October 23, students at the Experimental Campus of Zaozhuang No. 16 Middle School in Shandong reported that the school required second-year high school students to come to school on Saturday for supplementary classes, which were in fact lectures by core-subject teachers; those who did not participate would be criticized and pressured by their homeroom teachers.[Student Rights and Interests][Zaozhuang][Persecutory Education][Zaozhuang No. 16 Middle School]