4 / Carton. Stacking student chairs add color to your classroom and offer color-coding opportunities for learning stations and more. The four-leg base features the strength of heavy-gauge tubular steel. Smooth polypropylene shell and a comfortably contoured waterfall seat front allow easy cleaning. Seat height is 16" and is typically designed for children in second-grade, third-grade and fourth-grade. Chairs stack five high for convenient storage.