New Milford High School will stage its all-school musical production of “Mary Poppins” March 17-18 and March 24-25 at 7 p.m. In addition, the musical will be performed March 19 at 3 p.m. and March 25 at 2 p.m. at the Route 7 South school. The production is the last one directed by Bob Keck, who plans to retire at the end of the school year. Tickets are $10 and will be available at the box office. The box office is open weekdays from 2:30 to 4 p.m. and Mondays through Thursdays from 6 to 8 p.m. For more information, call the box office at 860-350-6647, ext. 1552.