In which three disciplinary streams (series) was the general baccalaureat traditionally divided before the 2021 reform?

• A L (litteraire), ES (economique et social), S (scientifique) ✓
• B STMG, STI2D, ST2S
• C L, ES, STMG
• D S, STL, STAV

The L/ES/S streams were replaced in 2021 by a system of specialist subjects chosen by students alongside a common core.