Accredited by
Charter International School caters for students aged 2 to 13+ years old. Placement in a year group at Charter is made according to the
child’s birthdate falling on 1st September.
Age of Child
Charter Class
Equivalent in Thai System
Equivalent in American System
Maximum Class Size
2+
Nursery
Pre-Anuban
Pre-School
16
3+
Kindergarten
Anuban 1
Pre-School
18
4+
Reception
Anuban 2
Pre-School
20
5+
Year 1
Anuban 3
Kindergarten
25
6+
Year 2
Pratom 1
Grade 1
25
7+
Year 3
Pratom 2
Grade 2
25
8+
Year 4
Pratom 3
Grade 3
25
9+
Year 5
Pratom 4
Grade 4
25
10+
Year 6
Pratom 5
Grade 5
25
11+
Year 7
Pratom 6
Grade 6
25
12+
Year 8
Matayom 1
Grade 7
25
13+
Year 9
Matayom 2
Grade 8
25
