The goal is to set the stage for an optimum learning environment, not to push the envelope, demanding that the joy-killers define what provocative is
However, to celebrate the itsy-bitsy spider properly, we have a suggestion

Classic black midi dress with statement earrings and nude heels Wrap dress in jewel tones with metallic accessories and a clutch Lace cocktail dress paired with pointed-toe pumps and delicate jewelry Silk slip dress with a tailored blazer and strappy sandals Floral midi with a belt to define the waist, plus block heels for comfort Wide-leg jumpsuit in navy or black with gold accessories Pleated midi skirt with a tucked-in blouse and loafers Shift dress with interesting sleeves and statement shoes High-low hem dress in a solid color with simple jewelry Crepe sheath dress with a cardigan and pearl accessories Fit-and-flare dress in a subtle print with wedge sandals Midi dress with three-quarter sleeves and comfortable block heels A-line dress in a bright color with minimal accessories Textured blazer with matching pants and a silk camisole Ponte dress with interesting neckline details and sophisticated flats Mastering semi formal fashion comes down to understanding proportions, choosing quality fabrics, and accessorizing thoughtfully

Enter style maven Sienna Miller in Marchesa, who looks like her top half is covered in hammered gold (it dips low in the back, too!)
Curly kale : Kale can be substituted with spinach or arugula, if needed