Thailand's educational system is divided into three levels:
Level 1: first three years of school (Nursery school)
KG1 to KG3 – 3 years to 5 years old
Level 2: Primary or elementary school (Prathomsuksa or Prathom)
P1 to P6 – 6 years to 11 years old
Level 3: Secondary school (Mattayomsuksa or Mattayom)
M1 to M6 – 12 years to 18 years old
Secondary education is divided two levels:
-junior High school is M1 to M3 takes 3 years of studies
-High school level is M4 to M6 and students may choose to Vocational Education takes 3 years
high vocational certificate takes 2 years of studies next to higher education is study in colleges and university