What's New at The Authority? Upper Deerfield Board of Education   Progress at the Seabrook School Pre-K expansion has been slow, due to the winter conditions. The CMU bearing walls have been completed, leading the way for structural steel and metal roof decking intstallation. Next up, the prefabricated wood trusses will be installed, as they were recently delivered to the site. The contractor has cleared some snow off the building pad from around the exterior walls to allow t