Due process refers to the requirement that the government must respect all legal rights that are owed to a person. It includes both substantive and procedural aspects. Substantive due process establishes that governmental rules must be reasonably defined and related to a valid purpose. Procedural due process refers to the fair procedures that must be followed before the government can deprive someone of life, liberty, or property. This includes the right to adequate notice of charges, a hearing at a meaningful time and place, and the right to respond to charges and present evidence. Students facing suspension or expulsion are owed certain due process rights, including timely disposition of hearings, proper notice of charges, adherence to established procedures, the right to a hearing, and substantive due