Office Depot
Get these items FREE when spend $10 or more…
~ Office Depot Brand acrylic ruler
~ Office Depot 12-pack eraser caps
~ Scholastic 8-pack Crayons

Other items
Glue Sticks 4-pack 25¢ – limit 3
Book Covers 25¢
5-1/2″ x 8″ notebook 25¢
Fiskars Scissor 99¢

Walgreens
Paper Mate Pens or Mechanical Pencils 10 pack 49¢ – limit 4
Corner Office® Tab Dividers 5-pack 49¢ – limit 4
Penway Color Pencils 12ct 49¢ – limit 3
Corner Office Sheet Protectors 10 pack 49¢ – limit 3
Sharpie Market 49¢ – limit 3
Penway 3 Subject Notebook 120 sheets 99¢ *with in-ad coupon* – limit 6
Penway 2 Pocket Folder 6/$1 *with in-ad coupon* – limit 6

Staples
Staples Composition Notebook, 100 sheets 25¢ – limit 5 – valid Sunday-Wednesday ONLY
Staples translucent pencil box 50¢
RoseArt washable watercolors 8/pack 99¢
HammerMill CopyPlus copy paper, 500 sheets $5.79 – $1.80 instant savings – $2.99 easy rebate = $1 after easy rebate. Limit 2 rebates per household.
Staples 8-1/2×11 photo paper, 50 pack $12.98 – $11.98 easy rebate = $1.00 after easy rebate. Limit 2 per household.

More School Supply deals at other stores can be found in this thread

*Pricing based on Salt Lake City, UT ads.