Page of the United States Senate

A United States Senate page (Senate page or simply page) is a high-school age teen serving the United States Senate in Washington, D.C. Pages are nominated by senators, usually from their home state, and perform a variety of tasks, such as delivering messages and legislative documents on the Senate floor and the various Capitol Hill offices. Pages are provided housing and attend a special page school at the Daniel Webster Senate Page Residence.

Source: Wikipedia — Page of the United States Senate (CC BY-SA 4.0)