Every year just in time for school several states have a Sales Tax Free Weekend. Below is a listing of each state, the dates and limit. Hope it makes it easier for you to navigate.
Weekend of August 5-7
Alabama
Clothing -$100
Computers-$750
School Supplies-$50
Books-$30
Arkansas (Starts August 6th-7th)
Clothing-$100
School Supplies-$100
Iowa (August 5th-6th)
Clothing -$100
Louisiana
All-Total Purchase Price $2500
Missouri
Clothing-$100
Computers-$3500
School Supplies-$50
New Mexico
Clothing-$100
Computers-$1000
School Supplies-$15
North Carolina
Clothing-$100
School Supplies-$100
Instructional Material-$100
Computers-$3,500
Sports Equipment-$50
Oklahoma
Clothing-$100
South Carolina (No Limit specified)
Clothing
School Supplies
Computers
Tennessee
Clothing-$100
School Supplies -$100
Computers-$1500
Virginia
Clothing-$100
School Supplies-$20
Weekend Starting August 12th -14th
Florida
School Supplies-$15
Books, Clothing-$75
Maryland (August 14th -20th)
Clothing-$100
Footwear-$100
Massachusetts
Total Purchase Price-$2500
Weekend Starting 19th -21st
Connecticut (Starts August 21st -27th)
Clothing -$300
Footwear-$300
Texas ($100 Total)
Clothing
Backpacks
School Supplies
The List can be found on Federal Tax Administrators Site
Related posts:

[...] Tax Free Weekend- Many states have a tax free weekend which usually takes place around back to school time. This is an awesome time to save money, especially on big ticket items like computers, printers, and calculators. Tax on things like that can be major, so why not shop during your state’s tax free weekend and save some duckets. For a list of states and dates, click HERE. [...]