I will always remember the day that, as a student teacher, I watched as a student entered my second-grade room covered in blood. After quickly establishing that he was not injured, we learned that the blood was that of his brother who had been shot the night before. No parents were around that night, so this second grader became the sole caregiver of his bleeding brother. My student would never be the same. We didn’t care about grades or test scores. We just knew that this moment would...