Montgomery Blair High School, one of Montgomery County’s most storied institutions, is celebrating its 100th anniversary this year with a yearlong series of events. The celebration kicks off at 5:30 p.m. on Friday, September 26, in the Blair auditorium, ahead of the school’s homecoming game. VIPs and dignitaries from county, state, and national education and community organizations are expected to attend the kickoff, which is being spearheaded by the Blair Alumni Association.