Send us Fan Mail As the school bells chime for the final time this academic year, I'm pausing to reflect on a rollercoaster ride of triumphs and trials from the substitute teacher's perspective. Wrapping up before our well-earned summer hiatus, I'm bringing you a candid ranking of the five most testing disciplinary issues in the classroom—from the mildly frustrating to the downright exhausting. Expect heart-to-heart insights as we unpack why a physical scuffle ranked surprisingly low and unve...