WESTFORD -- Students at the Nabnasset School will be able to enjoy the beauty of flowering pear trees after Sustainable Westford awarded a $1,500 grant to two teachers at the school to plant the trees. Sustainable Westford, the organization behind the Westford Summer and Winter Farmers Markets, announced Barbara Bergin and Keith Weston, nurse and wellness teacher at the school respectively, will receive the UpCycle It! Program grant to plant 12 flowering pear trees on the school ground.