In merchandising, back to school is the period in which students and their parents purchase school supplies and apparel for the upcoming school year. ... Many states offer tax-free periods (usually about a week) at which time any school supplies and children's clothing purchased does not have sales tax added. Each year as summer draws to a close, teachers, parents, and students alike all begin their back to school preparations. Whether you are sending your child off to Pre-K for the first time, readying for classroom for a new set of students, or attending your freshman year of college, there's a lot to prepare for. Check out these resources that can help make sure you are ready to make this school year one of the best.