George H. Mitchell Elementary School

George H. Mitchell Elementary School underwent an onsite replacement to provide students with a new 21st century learning environment. CHA served as the Owner’s Project Manager (OPM) for a new three-story, L-shaped school building spanning 132,045 square feet. featuring a steel frame, concrete-on-metal deck structure, and a blend of masonry, glass, and aluminum skin.

CHA guided the entire process, from the feasibility study through the design, construction, and close-out. In addition, the team assisted the district in securing crucial funding from the Massachusetts School Building Authority (MSBA). The design optimizes internal spaces for education and support services, accommodating 740 K-2 students and up to 240 Pre-K students. The $67.6 million school project, which features an expansive playground and natural outdoor activity area, was completed below the original project budget and on time for the start of the fall 2022 school year.

Project summary

132K sf.

Spanning 132,045 square feet of new space.


Three-story, L-shaped footprint.


Student body size of 980.

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Sean Sweeney, MCPPO, CCM, LEED AP BD+C & O+M

Sean Sweeney, MCPPO, CCM, LEED AP BD+C & O+M
Project Management and Construction Management Business Line Director

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Sean has three decades of leadership and practical experience in the construction, real estate, and facility management industry. He has constructed public, commercial, retail, and residential projects in more than 37 U.S. states and overseas. His expertise encompasses the employment of complex project delivery systems using emerging technologies, cutting edge construction techniques, and fast-track program development and execution.