Personalized 4th Grade Teacher Happy Youth Long Sleeve T-Shirt. This gift for the Fourth grade teacher has smiling school pencil logo with 4th grade quote on a back to school or teacher appreciation Youth Long Sleeve T-Shirt - Heather. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)