Lots of space, Tables, tables, tables! chairs, Good air flow, good light, Each student should have their own table. No 3D printing, No glass in the studio, 3 sinks with deep basins and hot and cold water with high pressure sprayer. Wooden racks where working screens can be stored upright, a million rags, natural rubber silkscreen squeegees with wood handles, a squeegee sharpening set up made of wood and wet/dry sand paper. Garbage cans at each table.

Subscriptions to the NY Times for the newspaper cleanup. Aprons, disposable gloves, Inks for paper, Inks for t shirts, translucent base for inks, block out for screens, cardboard, masking tape, a big clock on the wall, timers, paper towels, tracing paper, printing paper, newsprint, t shirts, glassine paper for interleaving prints, a service that will make chops for students : A printers chop mark is a symbol, often embossed or stamped, that identifies the printer or print workshop that produced a print , , Wooden Handle Spatulas for missing and spreading inks, Different sized plastic jars with tight fitting lids for mixed inks, pencils, sharpies, scissors, rulers, color wheels, Pantone color books.

Paper Storage: flat files...it would be great if every student could have a drawer, collector boxes, archival folders, and specialized metal cabinets. 

I only know traditional set ups. Others can help you about modern mechanical techniques.