Metrowest Daily News 1/18/19: Parents demand answers after resignation of METCO director. Parents and alumni packed Thursday’s School Committee meeting, seeking answers as to why the district’s METCO director is stepping down after 19 years on the job. Superintendent Arthur Unobskey on Wednesday sent an email to parents and staff that Mabel Reid-Wallace had decided to leave the district, effective June 30. No reason was provided.