| Equivalent Titles in Other School Systems | |||||||||
| Age of | MISB School | Key Stage | Thailand | England/UK | USA/Canada | Scotland | Australia | New Zealand | India |
| Child | |||||||||
| 2+ | Pre-Nursery | Nursery | Pre-Nursery | Pre-School | Pre-School | Pre-School | Pre-School | Pre-School | |
| 3+ | Nursery | Foundation Stage |
Anuban 1 | Nursery | Pre-School | Nusery | Pre-School | Pre-School | Nursery |
| 4+ | Reception | Anuban 2 | Reception | Pre-School | Nusery | Pre-School | Kindergarten | Kindergarten 1 | |
| 5+ | Year 1 | Key Stage.1 | Anuban 3 | Year 1 | Kindergarten | P-1 | Kindergarten | Primary 1/2 | Kindergarten 2 |
| 6+ | Year 2 | Prathom 1 | Year 2 | Grade 1 | P-2 | Year 1 | Primary 3/4 | Standard 1 | |
| 7+ | Year 3 | Key Stage.2 | Prathom 2 | Year 3 | Grade 2 | P-3 | Year 2 | Standard 1 | Standard 2 |
| 8+ | Year 4 | Prathom 3 | Year 4 | Grade 3 | P-4 | Year 3 | Standard 2 | Standard 3 | |
| 9+ | Year 5 | Prathom 4 | Year 5 | Grade 4 | P-5 | Year 4 | Standard 3 | Standard 4 | |
| 10+ | Year 6 | Prathom 5 | Year 6 | Grade 5 | P-6 | Year 5 | Standard 4 | Standard 5 | |
| 11+ | Year 7 | Key Stage.3 | Prathom 6 | Year 7 | Grade 6 | P-7 | Year 6 | Form 1 | Standard 6 |
| 12+ | Year 8 | Mathayom 1 | Year 8 | Grade 7 | S-1 | Year 7 | Form 2 | Standard 7 | |
| 13+ | Year 9 | Mathayom 2 | Year 9 | Grade 8 | S-2 | Year 8 | Form 3 | Standard 8 | |
| 14+ | Year 10 | Key Stage.4 | Mathayom 3 | Year 10 | Grade 9 | S-3 | Year 9 | Form 4 | Standard 9 |
| 15+ | Year 11 | Mathayom 4 | Year 11 | Grade 10 | S-4 | Year 10 | Form 5 | Standard 10 | |
| 16+ | Year 12 | Key Stage.5 | Mathayom 5 | Year 12 | Grade 11 | S-5 | Year 11 | Form 6 | Higher Sec.1 |
| 17+ | Year 13 | Mathayom 6 | Year 13 | Grade 12 | S-6 | Year 12 | Form 7 | Higher Sec.2 | |
