Personalized 100 Days Of School Infant Dress. Celebrate the milestone of 100 days of school in style with our cute and happy 100 Days Of School design apparel! This design is perfect for both students and teachers who want to show off their pride for reaching this exciting achievement. Whether you're in preschool, elementary school, or even homeschooling, this adorable design will bring a smile to your face. Your little one will be adorable and comfortable in this 100% combed ringspun cotton 1x1 baby rib dress!