MISD board meeting is Thursday, Aug. 16 The Mercer Island School District Board of Directors will host a study session meeting on Thursday, Aug. 16. August 15, 2012 12:40 pm The Mercer Island School District Board of Directors will host a study session meeting on Thursday, Aug. 16, at 6:45 p.m. in the board room. The board plans to discuss in more detail the various options presented for the North Mercer Campus.