Happy 100 days of school design for teacher or kids! Happy 100th Day of School! Celebrate your child or student's first 100 days of school or kindergarten with this awesome design. Happy 100th Day of School Apparels. Makes a fun presents for students and teachers to celebrate 100 days of school. Celebrate being 100 days smarter in this cute 100th day Tees Lightweight, Classic fit, Double-needle sleeve and bottom hem