Personalized 3rd Grade Teacher Apple Youth Long Sleeve T-Shirt. Darling Third Grade Teacher Youth Long Sleeve T-Shirt - Heather with red apple logo and 3rd Grade quote. There is room to personalize with teacher's name beneath the apple before you order. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)