As Lamesa High School seniors are notching the days off their calendars, there are a number of activities on the school calendar before graduation day May 20.A band concert is planned at 6:30 p.m. Friday in the high school cafeteria.A Steered Straight program, educating parents about the hazards of students vaping and using marijuana, will be held in the school cafeteria at 5:15 p.m. May 12.Steered Straight founder Michael DeLeon will bring his message to high school students on the morning of May 12. He will visit with middle school students at 1 p.m. on the same day.An academic banquet,