The NEA having a charter or not having a charter would be irrelevant if the department were destroyed.
https://en.wikipedia.org/wiki/National_Education_Association
The National Education Association (NEA) is the largest labor union in the United States.[2] It represents public school teachers and other support personnel, faculty and staffers at colleges and universities, retired educators, and college students preparing to become teachers. The NEA has 2.8 million members and is headquartered in Washington, D.C.[3] The NEA had a budget of $399 million in 2023 along with an endowment of $428 million.[4] Becky Pringle is the NEA’s current president.[5][6]