Structural steel commencement at Green Meadow Elementary School in Maynard. CTA Construction Managers has started erecting structural steel at the new Green Meadow Elementary School in Maynard, Massachusetts. The new Green Meadow Elementary School is designed by Mount Vernon Group Architects. Green Meadow Elementary School principal Karen Lindquist said: “When complete, the Green Meadow Elementary School will provide a welcoming and adaptable environment that supports innovative teaching methods, collaborative learning, and the diverse needs of students from early childhood through grade three. CTA Construction Managers and Colliers have a 12-year history of working together on three school projects.