Tex. Educ. Code § 12.105 : EDUCATION CODE — PUBLIC EDUCATION — LOCAL ORGANIZATION AND GOVERNANCE — CHARTERS — OPEN-ENROLLMENT CHARTER SCHOOL — Status TEXT PDF An open-enrollment charter school is part of the public school system of this state. Tex. Educ. Code § 12.105 Amended by Acts 2001, 77th Leg., ch. 1504, Sec. 6, eff. 9/1/2001. Amended by Acts 1999, 76th Leg., ch. 1335, Sec. 1, eff. 6/19/1999 Added by Acts 1995, 74th Leg., ch. 260, Sec. 1, eff. 5/30/1995.