Raise your hand if you clean everything while packing up your classroom at the end of the year.
Amazon has a mighty good deal on Lysol Power and Free Multi-Purpose Cleaner with Hydrogen Peroxice Citrus Sparkel Zest Scent (22 Oz).
Get free shipping by selecting Subscribe & Save. I select 6 months. Once your order has processed, cancel the subscribe and save.
Be quick with order as these things disappear fast.