The phrase "to open a charter" means to create or establish a written document that sets rules and guidelines for an organization or group to operate. It's like a blueprint that explains how things should be done. Full definition
Nine operators had originally expressed interest in opening a charter school earlier in the spring. (empowerms.org)
Moving from the idea of opening a charter school to the reality of operating one is a lengthy and rigorous process. (sccharter.org)
The results confirm that the negative effects of attending a charter school are considerably greater for students in newly opened charter schools than for students in charter schools that are more established. (educationnext.org)