MO HB3309

Prohibits students from participating in protest activities on or off public school property during instructional periods if the activity materially and substantially disrupts school operations

Makes it unlawful for any person to knowingly disrupt school functions, advise students or employees to disrupt schools, interfere with attendance, or conspire to riot or cause campus disturbances

Requires students who leave class without authorization for protests to be marked absent; subjects teachers who facilitate walkouts to investigation and potential licensure revocation; puts districts allowing walkouts at risk of losing daily attendance funding

Preserves student free expression rights under the First Amendment and Missouri Constitution, allowing schools to adopt content-neutral time, place, and manner policies for student expression

Protects voluntary, nondisruptive student expression occurring outside scheduled instructional time and prohibits suppression of expression based on viewpoint