Polite. Well-mannered. Positive. Humble. Willing to listen. Open to advice. Vulnerable.Those are just a few of the adjectives used to describe JaQuan LeGrand (photo above).Sydney Buvvaji, a science teacher at Holloway High School, added one more — integrity.“That’s the reason I kind of trusted him more than I would another student,” said Buvvaji, who recognized LeGrand “sees the consequences of his other family members and he’s been through a lot.”Despit ...