November 15, 2011. Mooresville, NC.. Elena DaCosta, center, a math teacher at East Mooresville Intermediate School, helps a 4th grade class with their math lessons. Much of the class work consists of computer based math tutorials which are turned in electronically allowing the teacher to assist individual students as needed.. The Mooresville school system has become nationally known for being on the cutting edge of using technology as an educational tool. Starting in 3rd grade, each student is issued their own laptop that they will use in class and at home to further their learning.