The following table provides a comprehensive guide for grade placement at GREAT International School, including age, date of birth, and grade equivalency across North America, United Kingdom, and Myanmar systems, as well as the expected graduation year.
| Grade | Age | Date of Birth | North America | United Kingdom | Myanmar | Graduation Year |
|---|---|---|---|---|---|---|
| PRE-K | Age 4 – 5 | 2.9.2021 - 1.9.2022 | PRE-K | FS1 | PRE KG | 2040 |
| KG | Age 5 – 6 | 2.9.2020 - 1.9.2021 | KG | Year 1 | KG | 2039 |
| Grade 1 | Age 6 – 7 | 2.9.2019 - 1.9.2020 | Grade 1 | Year 2 | Grade 1 | 2038 |
| Grade 2 | Age 7 – 8 | 2.9.2018 - 1.9.2019 | Grade 2 | Year 3 | Grade 2 | 2037 |
| Grade 3 | Age 8 – 9 | 2.9.2017 - 1.9.2018 | Grade 3 | Year 4 | Grade 3 | 2036 |
| Grade 4 | Age 9 – 10 | 2.9.2016 - 1.9.2017 | Grade 4 | Year 5 | Grade 4 | 2035 |
| Grade 5 | Age 10 – 11 | 2.9.2015 - 1.9.2016 | Grade 5 | Year 6 | Grade 5 | 2034 |
| Grade 6 | Age 11 – 12 | 2.9.2014 - 1.9.2015 | Grade 6 | Year 7 | Grade 6 | 2033 |
| Grade 7 | Age 12 – 13 | 2.9.2013 - 1.9.2014 | Grade 7 | Year 8 | Grade 7 | 2032 |
| Grade 8 | Age 13 – 14 | 2.9.2012 - 1.9.2013 | Grade 8 | Year 9 | Grade 8 | 2031 |
| Grade 9 | Age 14 – 15 | 2.9.2011 - 1.9.2012 | Grade 9 | Year 10 | Grade 9 | 2030 |
| Grade 10 | Age 15 – 16 | 2.9.2010 - 1.9.2011 | Grade 10 | Year 11 | Grade 10 | 2029 |
| Grade 11 | Age 16 – 17 | 2.9.2009 - 1.9.2010 | Grade 11 | Year 12 | Grade 11 | 2028 |
| Grade 12 | Age 17 – 18 | 2.9.2008 - 1.9.2009 | Grade 12 | Year 13 | Grade 12 | 2027 |