Having comfortable seating in the classroom sets the foundation for young students to learn, especially for kindergarteners, first graders and second graders who are actively receiving lesson plans. These shell stack chairs were designed for comfort with this air vented back and waterfall seat edge. These school stack chairs are built to last with a dual braced frame that can hold up to 440 pounds. School maintenance workers can appreciate student chairs that can stack for floor upkeep, these student desk chairs stack up to 15 chairs high. We consider this student stack chair to be the premier stack chair - essential for every school and classroom setting.