From Aug. 2nd through Aug. 4th, certain back-to-school purchases will be tax free. For 2019, the items eligible for waived taxes include: Clothing and shoes: $100 or less per item. School supplies: $50 or less per item. Computer software: $350 or less per item.
Please note that some cities/towns in Missouri have opted out of the Tax Free Weekend so please check online to see if your city/town is on that list.