Personalized Teacher 1st Grade Chalkboard Youth Long Sleeve T-Shirt. Cute chalkboard and apple design with 1st Grade Teacher slogan comes on Youth Long Sleeve T-Shirt - Heather for the first grade school teacher as a back to school or teaching appreciation present. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)