Gist
An 18-year-old in Thailand is usually a post-secondary route, though some learners remain in upper secondary. See the direct answer, key exception and records that confirm the correct placement.
A 12-year-old in Thailand is usually Matthayom 1 (Grade 7). See the direct answer, key exception and records that confirm the correct placement.
A 11-year-old in Thailand is usually Prathom 6 (Grade 6). See the direct answer, key exception and records that confirm the correct placement.
A 10-year-old in Thailand is usually Prathom 5 (Grade 5). See the direct answer, key exception and records that confirm the correct placement.
A 9-year-old in Thailand is usually Prathom 4 (Grade 4). See the direct answer, key exception and records that confirm the correct placement.
An 8-year-old in Thailand is usually Prathom 3 (Grade 3). See the direct answer, key exception and records that confirm the correct placement.
A 17-year-old in Thailand is usually Matthayom 6 (Grade 12) or vocational certificate year 3. See the direct answer, key exception and records that confirm the correct placement.
A 16-year-old in Thailand is usually Matthayom 5 (Grade 11) or the second year of a vocational route. See the direct answer, key exception and records that confirm the correct placement.
A 15-year-old in Thailand is usually Matthayom 4 (Grade 10) or the first year of a vocational route. See the direct answer, key exception and records that confirm the correct placement.