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.
Following the collapse of the Khmer Rouge's regime, the educational system had to be redeveloped from its roots to become what it is today as part of the modern national education system, beginning with primary school (Grade 1) at age six and concluding with secondary school (Grade 12), encompassing a total of 12 years of public general education.