After the fall of the Khmer Rouge, the education system had to be rebuilt from scratch to become what the modern national education system is today, starting from Grade 1 (at age six) to Grade 12 for a total of 12 years of public general education.
In the aftermath of the Khmer Rouge's downfall, the educational framework had to be reestablished from the outset to become the modern national system of education, spanning from elementary school (Grade 1) at age six to high school (Grade 12), encompassing a total of 12 years of public general education.