Khâgne (French pronunciation: [kaɲ] ), officially known as classes préparatoires littéraires ([klas pʁepaʁatwaʁ liteʁɛʁ]), is a two-year academic program in the French “post-bac” (≈undergraduate) system, with a specialization in the humanities (A/L) or social science (B/L). It is one of the three main types of Classe préparatoire aux grandes écoles (CPGE, informally classe prépa), contrasting with other CPGE majors such as Maths Sup in mathematics and engineering, or Prépa HEC in the business domain.
Strictly speaking, the word khâgne refers to the final year of that program. In fact, the course articulates into two years with separate names: