"At-risk pupil" means a student having a physical, emotional, intellectual, socioeconomic, or cultural risk factor, as defined in Board of Education criteria, which research indicates may negatively influence educational success.
"Public charter school" means a public, nonreligious, or non-home-based alternative school located within a public school division. A public charter school may be created as a new public school or through the conversion of all or part of an existing public school; however, no public charter school shall be established through the conversion of a private school or a nonpublic home-based educational program. A charter school for at-risk pupils may be established as a residential school.
"Regional public charter school" means a public charter school operated by two or more school boards and chartered directly by the participating school boards.
Va. Code § 22.1-212.5