We have collaborated with 1st Day School Supplies to help parents and teachers get the exact supplies needed for the school year without the hassle and aggravation of shopping at the big box retailers. We have found 1st Day School Supplies to be convenient, easy and hassle free plus the prices are competitive! So this summer as the temperature hits over 100 degrees and lines at the checkout counter are a mile long ... you will have already made your school supplies purchase!!! Simplify by doing all your school supplies shopping with 1st Day School Supplies Click the link below to purchase. The ZIP Code for Concord Elementary is 55424.