Every teacher knows the kids who show up hungry, embarrassed, or wearing the same clothes three days in a row. For a child navigating a difficult home life, a teacher’s small act of kindness can turn an entire school year around.A 2011 review of 99 studies found that supportive teacher-student relationships were strongly linked to how engaged and motivated kids feel in class. When an educator responds with genuine compassion during a hard moment, it protects a child’s dignity when they feel most vulnerable.