Wayland Town Crier 1/17/19: METCO director stepping down. METCO director Mabel Reid-Wallace is stepping down after 19 years on the job, and no reason was given in an email sent Wednesday by Superintendent Arthur Unobskey to parents and staff. “In those nineteen years, Ms. Reid-Wallace has done invaluable work for the district,” Unobskey’s email said. “She has been a trusted and passionate advisor, mentor and advocate for our students and their families.”