This reference table shows the equivalent school years across different countries and education systems. Use this to understand how grade levels correspond between countries.
| England | 5-6 years | 6-7 years | 7-8 years | 8-9 years | 9-10 years | 10-11 years | 11-12 years |
| Scotland | Primary 1 | Primary 2 | Primary 3 | Primary 4 | Primary 5 | Primary 6 | Primary 7 |
| Wales | Reception | Year 1 | Year 2 | Year 3 | Year 4 | Year 5 | Year 6 |
| Northern Ireland | Primary 1 | Primary 2 | Primary 3 | Primary 4 | Primary 5 | Primary 6 | Primary 7 |
| USA | Kindergarten | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 5 | Grade 6 |
| Canada | Kindergarten | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 5 | Grade 6 |
| Australia | Foundation | Year 1 | Year 2 | Year 3 | Year 4 | Year 5 | Year 6 |
| New Zealand | Year 1 | Year 2 | Year 3 | Year 4 | Year 5 | Year 6 | Year 7 |
| Malaysia | Tadika | Darjah 1 | Darjah 2 | Darjah 3 | Darjah 4 | Darjah 5 | Darjah 6 |
| Austria | Kindergartenjahr | 1. Klasse | 2. Klasse | 3. Klasse | 4. Klasse | 5. Schulstufe | 6. Schulstufe |
| Belgium | 3e kleuterklas | 1ste leerjaar | 2de leerjaar | 3de leerjaar | 4de leerjaar | 5de leerjaar | 6de leerjaar |
| Bulgaria | Подготвителна група | 1. клас | 2. клас | 3. клас | 4. клас | 5. клас | 6. клас |
| Croatia | Predškola | 1. razred | 2. razred | 3. razred | 4. razred | 5. razred | 6. razred |
| Cyprus | Νηπιαγωγείο | Α' Δημοτικού | Β' Δημοτικού | Γ' Δημοτικού | Δ' Δημοτικού | Ε' Δημοτικού | ΣΤ' Δημοτικού |
| Czech Republic | Mateřská škola | 1. třída | 2. třída | 3. třída | 4. třída | 5. třída | 6. třída |
| Denmark | Børnehave | 0. klasse | 1. klasse | 2. klasse | 3. klasse | 4. klasse | 5. klasse |
| Estonia | Koolieelne | 1. klass | 2. klass | 3. klass | 4. klass | 5. klass | 6. klass |
| Finland | Päiväkoti | Esikoulu | 1. luokka | 2. luokka | 3. luokka | 4. luokka | 5. luokka |
| France | Grande Section | CP | CE1 | CE2 | CM1 | CM2 | 6ème |
| Germany | Vorschule | 1. Klasse | 2. Klasse | 3. Klasse | 4. Klasse | 5. Klasse | 6. Klasse |
| Greece | Νηπιαγωγείο | Α' Δημοτικού | Β' Δημοτικού | Γ' Δημοτικού | Δ' Δημοτικού | Ε' Δημοτικού | ΣΤ' Δημοτικού |
| Hungary | Óvoda | 1. osztály | 2. osztály | 3. osztály | 4. osztály | 5. osztály | 6. osztály |
| Ireland | Senior Infants | 1st Class | 2nd Class | 3rd Class | 4th Class | 5th Class | 6th Class |
| Italy | Scuola dell'infanzia | 1ª Primaria | 2ª Primaria | 3ª Primaria | 4ª Primaria | 5ª Primaria | 1ª Media |
| Latvia | Pirmsskola | 1. klase | 2. klase | 3. klase | 4. klase | 5. klase | 6. klase |
| Lithuania | Priešmokyklinė | 1 klasė | 2 klasė | 3 klasė | 4 klasė | 5 klasė | 6 klasė |
| Luxembourg | Cycle 1 | Cycle 2.1 | Cycle 2.2 | Cycle 3.1 | Cycle 3.2 | Cycle 4.1 | Cycle 4.2 |
| Netherlands | Groep 2 | Groep 3 | Groep 4 | Groep 5 | Groep 6 | Groep 7 | Groep 8 |
| Norway | Førskolealder | 1. trinn | 2. trinn | 3. trinn | 4. trinn | 5. trinn | 6. trinn |
| Poland | Zerówka | Klasa 1 | Klasa 2 | Klasa 3 | Klasa 4 | Klasa 5 | Klasa 6 |
| Portugal | Pré-Escolar | 1.º Ano | 2.º Ano | 3.º Ano | 4.º Ano | 5.º Ano | 6.º Ano |
| Romania | Grupa mare | Clasa I | Clasa a II-a | Clasa a III-a | Clasa a IV-a | Clasa a V-a | Clasa a VI-a |
| Slovakia | Materská škola | 1. ročník | 2. ročník | 3. ročník | 4. ročník | 5. ročník | 6. ročník |
| Slovenia | Vrtec | 1. razred | 2. razred | 3. razred | 4. razred | 5. razred | 6. razred |
| Spain | 3º Infantil | 1º Primaria | 2º Primaria | 3º Primaria | 4º Primaria | 5º Primaria | 6º Primaria |
| Sweden | Förskola | Förskoleklass | Årskurs 1 | Årskurs 2 | Årskurs 3 | Årskurs 4 | Årskurs 5 |
| Switzerland | Kindergarten | 1. Klasse | 2. Klasse | 3. Klasse | 4. Klasse | 5. Klasse | 6. Klasse |
| China | 学前班 | 一年级 | 二年级 | 三年级 | 四年级 | 五年级 | 六年级 |
| Japan | 幼稚園 | 小学1年生 | 小学2年生 | 小学3年生 | 小学4年生 | 小学5年生 | 小学6年生 |
| South Korea | 유치원 | 초등학교 1학년 | 초등학교 2학년 | 초등학교 3학년 | 초등학교 4학년 | 초등학교 5학년 | 초등학교 6학년 |