Personalized Owl 100 Days School Women's T-Shirt. Funny 100th Day of School Women's T-Shirt - White for teachers and students with 3 cute owls on a yellow ruler says 100th DAY OF SCHOOL. Celebrate being 100 days smarter. Classic ladies' styling with a feminine neckline, sleeves and fit. 5.0 oz., pre-shrunk 100% cotton. Double-needle stitching throughout