With its international focus and trans-disciplinary approach, the IB programme allows an easy transition to and from national curricula. Students joining NIST from other schools are placed in year levels based on their ages and current year/grade levels.
These dates are applicable for the 2016-2017 school year.
| Date of Birth | Class at NIST | Australia | India | Japan | New Zealand | Thailand | UK | US/Canada |
|---|---|---|---|---|---|---|---|---|
| 01 Sep. 2012 - 31 Aug. 2013 | EY1 (Kindergarten) | Pre-school | Nursery | Kindergarten 1 | - | Kindergarten 1 | Reception | Preschool |
| 01 Sep. 2011 - 31 Aug. 2012 | EY2 (Kindergarten) | Pre-school | Kindergarten 1 | Kindergarten 2 | Kindergarten | Kindergarten 2 | Reception | Preschool |
| 01 Sep. 2010 - 31 Aug. 2011 | Year 1 (PYP) | Kindergarten/Prep | Kindergarten 2 | Kindergarten 3 | Year 1 | Kindergarten 3 | Year 1 | Kindergarten |
| 01 Sep. 2009 - 31 Aug. 2010 | Year 2 (PYP) | Year 1 | Standard 1 | Elementary Grade 1 | Year 2 | Prathom 1 | Year 2 | Grade 1 |
| 01 Sep. 2008 - 31 Aug. 2009 | Year 3 (PYP) | Year 2 | Standard 2 | Elementary Grade 2 | Year 3 | Prathom 2 | Year 3 | Grade 2 |
| 01 Sep. 2007 - 31 Aug. 2008 | Year 4 (PYP) | Year 3 | Standard 3 | Elementary Grade 3 | Year 4 | Prathom 3 | Year 4 | Grade 3 |
| 01 Sep. 2006 - 31 Aug. 2007 | Year 5 (PYP) | Year 4 | Standard 4 | Elementary Grade 4 | Year 5 | Prathom 4 | Year 5 | Grade 4 |
| 01 Sep. 2005 - 31 Aug. 2006 | Year 6 (PYP) | Year 5 | Standard 5 | Elementary Grade 5 | Year 6 | Prathom 5 | Year 6 | Grade 5 |
| 01 Sep. 2004 - 31 Aug. 2005 | Year 7 (MYP) | Year 6 | Standard 6 | Elementary Grade 6 | Year 7 | Prathom 6 | Year 7 | Grade 6 |
| 01 Sep. 2003 - 31 Aug. 2004 | Year 8 (MYP) | Year 7 | Standard 7 | Middle School Grade 1 | Year 8 | Matayom 1 | Year 8 | Grade 7 |
| 01 Sep. 2002 - 31 Aug. 2003 | Year 9 (MYP) | Year 8 | Standard 8 | Middle School Grade 2 | Year 9 | Matayom 2 | Year 9 | Grade 8 |
| 01 Sep. 2001 - 31 Aug. 2002 | Year 10 (MYP) | Year 9 | Standard 9 | Middle School Grade 3 | Year 10 | Matayom 3 | Year 10 | Grade 9 |
| 01 Sep. 2000 - 31 Aug. 2001 | Year 11 (MYP) | Year 10 | Standard 10 | High School Grade 1 | Year 11 | Matayom 4 | Year 11 | Grade 10 |
| 01 Sep. 1999 - 31 Aug. 2000 | Year 12 (DP) | Year 11 | Higher Secondary 1 | High School Grade 2 | Year 12 | Matayom 5 | Year 12 | Grade 11 |
| 01 Sep. 1998 - 31 Aug. 1999 | Year 13 (DP) | Year 12 | Higher Secondary 2 | High School Grade 3 | Year 13 | Matayom 6 | Year 13 | Grade 12 |