Great little tool from Flippity.net that lets you randomly select individuals, create groups on the fly, or set lineups, all based on a template in Google Sheets.
I taught HS English for 13 years & then moved into a new position as an Instructional Technology Coordinator at a neighboring metro area district in 2004. In 2012, I became the District Instructional Technology Coordinator. Also a serious Rockies fan, seriously.