In the French education system, high school graduates go to "Prepa" courses for 2 years, then compete for engineering schools where they spend 3 more years; whereas other schools like INSA include the "Prepa" as part of their 5-year cursus.
In the French education system, high school graduates attend "Baccalauréat" preparation courses for 2 years, followed by a competitive process to enter engineering schools where they spend an additional 3 years; in contrast, other institutions like INSA integrate the "Prepa" into their 5-year curriculum.