Baltimore is about to lure its second education technology company from New York. Three Ring, a two-year-old company that helps teachers capture what goes on in their classrooms and share it with students, parents and other teachers, plans to move to Baltimore by the end of February, CEO and co-founder Michael Lindsay said. The company started in November 2011 and has six employees. Three Ring will join Citelighter, which moved to the Betamore tech incubator in Federal Hill in late 2013. Three…
