Woohoo - it's that time of year again! Florida's back-to-school sales tax holiday will begin at 12:01 a.m., Friday, August 12, 2011, and end at midnight Sunday, August 14, 2011. During this period, no sales tax will be collected on sales of clothing, footwear, and certain accessories selling for $75 or less, or on certain school supplies selling for $15 or less.