Boston Celtics forward Jaylen Brown met with middle school students in Randolph Monday afternoon. Brown was joined by former Celtic Leon Powe, the Celtics dancers, and Nicki Maher, senior vice president of Alex and Ani’s Charity by Design division, for the unveiling of a new media arts room at Randolph Middle School. The Celtics and Alex and Ani purchased iPads, art materials, and other supplies for the media room.