Edited sentence: "Seanny" is a teacher of geometry and calculus and he advises the math team, which consistently ranks among the best in New England.He challenges every student he teaches to learn about themselves, others, and society in addition to mathematics.McGrath's passion for mathematics and charismatic personality fuse to form a man with a soul of unparalleled greatness.Undoubtedly the school's most endearing and respected teacher is Sean McGrath