If the over hang (part of section A) extended the length of the table and then both lower sections and upper sections could be enclosed to hide wiring and minimize fluorescent light into classroom - this would work.
incredible diy loft area with tons of functionality - sofa pulls out to guest bed, framing is storage, hidden storage, double sleeping loft, and more - free plans by ana-white.com
Raised Bed Ideas
Neat idea for a planter - Vintage cast iron pulley with buckets as pot holders for flowering plants .. love this
Looks like they used 4x4s with rusted looking jar canning rings? Red Cedar Candle Holders! Primitive Country Decor