School Board Caucus Kicking Off "It’s almost show time for the Arlington County Democratic Committee’s School Board endorsement caucus. Voting is slated for: Sunday, May 7 from 10 a.m. to 6 p.m. at Dr. Charles Drew Elementary School, 3500 23rd St. South. Wednesday, May 10 from 7 to 9 p.m. at Campbell Elementary School,