CATEGORY | US/CANADA SYSTEM | THAI SYSTEM | BRITISH SYSTEM | AUSTRALIAN SYSTEM | AGE | |
---|---|---|---|---|---|---|
Category 1 | Grade 4 | Prathom 4 | Year 5 | Year 4 | 9 Years | |
Grade 5 | Prathom 5 | Year 6 | Year 5 | 10 Years | ||
Category 2 | Grade 6 | Prathom 6 | Year 7 | Year 6 | 11 Years | |
Grade 7 | Matthayom 1 | Year 8 | Year 7 | 12 Years | ||
Category 3 | Grade 8 | Matthayom 2 | Year 9 | Year 8 | 13 Years | |
Grade 9 | Matthayom 3 | Year 10 | Year 9 | 14 Years | ||
Category 4 | Grade 10 | Matthayom 4 | Year 11 | Year 10 | 15 Years | |
Grade 11 | Matthayom 5 | Year 12 | Year 11 | 16 Years |