[HRW] In 2016, in a classroom in the hilly city of Mwanza, in northwestern Tanzania, a group of about 20 girls took turns demonstrating to me how their teachers hit them using canes. The secondary school students recounted daily abuse, indicating which parts of their bodies their teachers struck for  many reasons such as  arriving a few minutes late, making noise or speaking to a classmate, or not answering a question  correctly. Or simply for no apparent reason.I noticed some girls had fresh brui