Del. Code tit. 14 § 503
A charter school is a public school including 2 or more of grade kindergarten through 12 managed by a board of directors, which operates independently of any school board, under a charter granted for an initial period of 4 school years of operation and renewable every 5 school years thereafter by a public school district or the State Department of Education (hereinafter in this chapter, "Department") with the approval of the State Board of Education (hereinafter in this chapter, "State Board"), pursuant to this chapter. For purposes of this chapter as it relates to the management of a charter school, the board of directors of a charter school shall be a public body subject to the requirements of Chapter 100 of Title 29 and shall have the same standing and authority as a Reorganized School District Board of Education, except the power to tax. .
14 Del. C. § 503