Wikipedia
CBTIS (High school)
CBTis (Centro de Bachillerato Tecnologico Industrial y de Servicios, English: Industrial and services Technological Baccalaureate Center) is a chain of Mid to high-level Schools since these schools offer programs to upgrade the regular degree to a technical-professional level (In Mexico known as "Preparatoria") in the 31 States.
All CBTIS jointly with all CETIS high schools are part of the Technical school of the DGETI, and are dependent of Secretaría de Educación Pública of Mexico.