The numbers 1 through 31 atop a school house. The school house measures 2 inches square. There are also 5 blank school houses so that special days such as holiday, birthday, or no school can be written on them. These can be used during the fall for calendar numbers or for a back to school themed activity in a math center.
If you like these school houses, you might also like my other calendar designs. Check out my leaves, sailboats, pumpkins, shamrocks, and more. If there is a certain shape you are looking for or you need a different size for your calendar, let me know and I'll be happy to put something together for you.