(a) In accordance with this subchapter, the board of trustees of a school district or the governing body of a home-rule school district shall grant or deny, through a public vote of the board of trustees or governing body, a charter to parents and teachers for a campus or a program on a campus if the board is presented with a petition signed by:
(1) the parents of a majority of the students at that school campus; and
(2) a majority of the classroom teachers at that school campus.
(b) For purposes of Subsection (a)(1), the signature of only one parent of a student is required.
(c) The board of trustees may not arbitrarily deny a charter under this section.