Missouri legislation · 2026 Regular Session
Missouri HB2580: Prohibits public school staff members from encouraging students in their social transition to being perceived as a member of the opposite biological sex
Status: In committee, January 8, 2026
What the bill says
To amend chapter 167, RSMo, by adding thereto one new section relating to the social transition of minors in public schools. Section A. Chapter 167, RSMo, is amended by adding thereto one new section, to be known as section 167.172, to read as follows: 167.172. 1. As used in this section, the following terms (2) "Gender transition", as defined in section 191.1720; (3) "Parent", a parent, legal guardian, or other person having charge, control, or custody of a student; (4) "Public school", as defined in section 160.011; (5) "Social transition", encouraging or participating with a minor student i.
From the introduced text:
To amend chapter 167, RSMo, by adding thereto one new section relating to the social transition of minors in public schools. Section A. Chapter 167, RSMo, is amended by adding thereto one new section, to be known as section 167.172, to read as follows: 167.172. 1. As used in this section, the following terms (2) "Gender transition", as defined in section 191.1720; (3) "Parent", a parent, legal guardian, or other person having charge, control, or custody of a student; (4) "Public school", as defined in section 160.011; (5) "Social transition", encouraging or participating with a minor student in changing his or her presentation or expression, including, but not limited to, details such as his or her name, appearance, or behavior, with the goal of such minor student being perceived and treated as a member of the opposite biological sex to such student's own biological sex, or with the goal of such minor student not being perceived and treated as a member of such student's own biological sex, including, but not limited to, the following: (a) The use of alternative pronouns or names for the minor student, either in school records or otherwise; and (b) The minor student's use of sex-segregated privacy facilities or participation in sex-differentiated school-sponsored activities; EXPLANATION -- Matter enclosed in bold-faced brackets [thus] in the above bill …