The Carl-Zeiss-Gymnasium Jena is a state-funded German elite Gymnasium (grammar school) for highly gifted students in the fields of math, science, and technology. Before changing its profile to fully focus and these aspects, it used to be a regular German public Gymnasium with a special separate school section (Spezialschulteil) attached to it. The school is named after the famous optician Carl Zeiss and is located in the city of Jena in Germany (federal state of Thuringia). It admits students from all over the federal state.