With Ayer joining the Nashoba Valley Technical High School District as of July 1, volunteers are being sought to serve on the committee overseeing the regional school in Westford. There are both full and alternate positions available on the School Committee; Ayer residents interested in being considered should send their credentials to Town Administrator Robert Pontbriand at 1 Main St., Ayer, MA 01432, or e-mail him at ta@ayer.ma.us.