Equivalence Chart

CATEGORYUS/CANADA SYSTEMTHAI SYSTEMBRITISH SYSTEMAUSTRALIAN SYSTEMAGE 
Category 1Grade 4Prathom 4Year 5Year 49 Years
Grade 5Prathom 5Year 6Year 510 Years
Category 2Grade 6Prathom 6Year 7Year 611 Years
Grade 7Matthayom 1Year 8Year 712 Years
Category 3Grade 8Matthayom 2Year 9Year 813 Years
Grade 9Matthayom 3Year 10Year 914 Years
Category 4Grade 10Matthayom 4Year 11Year 1015 Years
Grade 11Matthayom 5Year 12Year 1116 Years