Here are the two stories I wrote on the subject:

https://medium.com/prismnpen/oklahoma-teacher-urging-children-to-call-boy-f-g-remains-in-classroom-147ddd8ffffc?sk=a7330fcab718dc0c08436922cac6ada3

https://medium.com/prismnpen/teacher-who-calls-kids-f-gs-named-school-system-allows-ni-er-slur-too-921f1c652ebb?sk=70a3a8ac3d9d86d0df5612d6966800fe