Age 3–4

  • USA/Canada: Pre-K
  • UK (England/Wales): Nursery
  • India (CBSE/ICSE): Nursery
  • IB (PYP/MYP/DP): Early Years
  • Australia: Kindergarten
  • Germany: Kindergarten
  • France: Petite Section
  • Japan: Yōchien
  • Mainland China: Kindergarten Year 1
  • South Korea: Kindergarten
  • Singapore: Nursery 1 (N1)
  • Hong Kong: K1

Age 4–5

  • USA/Canada: Pre-K
  • UK (England/Wales): Reception
  • India (CBSE/ICSE): Lower KG (LKG)
  • IB (PYP/MYP/DP): Early Years
  • Australia: Prep
  • Germany: Kindergarten
  • France: Moyenne Section
  • Japan: Yōchien
  • Mainland China: Kindergarten Year 2
  • South Korea: Kindergarten
  • Singapore: Nursery 2 (N2)
  • Hong Kong: K2

Age 5–6

  • USA/Canada: Kindergarten
  • UK (England/Wales): Year 1
  • India (CBSE/ICSE): Upper KG (UKG)
  • IB (PYP/MYP/DP): PYP 1
  • Australia: Year 1
  • Germany: Grade 1
  • France: Grande Section
  • Japan: Grade 1
  • Mainland China: Primary 1
  • South Korea: Grade 1
  • Singapore: Kindergarten 2 (K2) → P1
  • Hong Kong: P1

Age 6–7

  • USA/Canada: Grade 1
  • UK (England/Wales): Year 2
  • India (CBSE/ICSE): Grade 1
  • IB (PYP/MYP/DP): PYP 2
  • Australia: Year 2
  • Germany: Grade 2
  • France: CP
  • Japan: Grade 2
  • Mainland China: Primary 2
  • South Korea: Grade 2
  • Singapore: Primary 1
  • Hong Kong: P2

Age 7–8

  • USA/Canada: Grade 2
  • UK (England/Wales): Year 3
  • India (CBSE/ICSE): Grade 2
  • IB (PYP/MYP/DP): PYP 3
  • Australia: Year 3
  • Germany: Grade 3
  • France: CE1
  • Japan: Grade 3
  • Mainland China: Primary 3
  • South Korea: Grade 3
  • Singapore: Primary 2
  • Hong Kong: P3

Age 8–9

  • USA/Canada: Grade 3
  • UK (England/Wales): Year 4
  • India (CBSE/ICSE): Grade 3
  • IB (PYP/MYP/DP): PYP 4
  • Australia: Year 4
  • Germany: Grade 4
  • France: CE2
  • Japan: Grade 4
  • Mainland China: Primary 4
  • South Korea: Grade 4
  • Singapore: Primary 3
  • Hong Kong: P4

Age 9–10

  • USA/Canada: Grade 4
  • UK (England/Wales): Year 5
  • India (CBSE/ICSE): Grade 4
  • IB (PYP/MYP/DP): PYP 5
  • Australia: Year 5
  • Germany: Grade 5
  • France: CM1
  • Japan: Grade 5
  • Mainland China: Primary 5
  • South Korea: Grade 5
  • Singapore: Primary 4
  • Hong Kong: P5

Age 10–11

  • USA/Canada: Grade 5
  • UK (England/Wales): Year 6
  • India (CBSE/ICSE): Grade 5
  • IB (PYP/MYP/DP): PYP 6
  • Australia: Year 6
  • Germany: Grade 6
  • France: CM2
  • Japan: Grade 6
  • Mainland China: Primary 6
  • South Korea: Grade 6
  • Singapore: Primary 5
  • Hong Kong: P6

Age 11–12

  • USA/Canada: Grade 6
  • UK (England/Wales): Year 7 (KS3)
  • India (CBSE/ICSE): Grade 6
  • IB (PYP/MYP/DP): MYP 1
  • Australia: Year 7
  • Germany: Grade 7
  • France: 6e
  • Japan: Grade 7
  • Mainland China: Junior Sec 1
  • South Korea: Grade 7
  • Singapore: Primary 6 → Sec 1
  • Hong Kong: S1

Age 12–13

  • USA/Canada: Grade 7
  • UK (England/Wales): Year 8
  • India (CBSE/ICSE): Grade 7
  • IB (PYP/MYP/DP): MYP 2
  • Australia: Year 8
  • Germany: Grade 8
  • France: 5e
  • Japan: Grade 8
  • Mainland China: Junior Sec 2
  • South Korea: Grade 8
  • Singapore: Secondary 1
  • Hong Kong: S2

Age 13–14

  • USA/Canada: Grade 8
  • UK (England/Wales): Year 9
  • India (CBSE/ICSE): Grade 8
  • IB (PYP/MYP/DP): MYP 3
  • Australia: Year 9
  • Germany: Grade 9
  • France: 4e
  • Japan: Grade 9
  • Mainland China: Junior Sec 3
  • South Korea: Grade 9
  • Singapore: Secondary 2
  • Hong Kong: S3

Age 14–15

  • USA/Canada: Grade 9
  • UK (England/Wales): Year 10 (GCSE)
  • India (CBSE/ICSE): Grade 9
  • IB (PYP/MYP/DP): MYP 4
  • Australia: Year 10
  • Germany: Grade 10
  • France: 3e
  • Japan: Grade 10
  • Mainland China: Junior Sec 4
  • South Korea: Grade 10
  • Singapore: Secondary 3
  • Hong Kong: S4

Age 15–16

  • USA/Canada: Grade 10
  • UK (England/Wales): Year 11 (GCSE)
  • India (CBSE/ICSE): Grade 10
  • IB (PYP/MYP/DP): MYP 5
  • Australia: Year 11
  • Germany: Grade 11
  • France: 2e
  • Japan: Grade 11
  • Mainland China: Junior Sec 5
  • South Korea: Grade 11
  • Singapore: Secondary 4 (N/O-Levels)
  • Hong Kong: S5

Age 16–17

  • USA/Canada: Grade 11
  • UK (England/Wales): Year 12 (AS/A1)
  • India (CBSE/ICSE): Grade 11
  • IB (PYP/MYP/DP): DP 1
  • Australia: Year 12
  • Germany: Grade 12
  • France: 1e
  • Japan: Grade 12
  • Mainland China: Senior Sec 1
  • South Korea: Grade 12
  • Singapore: Junior College 1 (JC1) or IB Y1
  • Hong Kong: S6 (HKDSE Y1)

Age 17–18

  • USA/Canada: Grade 12
  • UK (England/Wales): Year 13 (A2)
  • India (CBSE/ICSE): Grade 12
  • IB (PYP/MYP/DP): DP 2
  • Australia: Year 13
  • Germany: Abitur Final
  • France: Terminale
  • Japan: Grade 12
  • Mainland China: Senior Sec 2
  • South Korea: Grade 12
  • Singapore: Junior College 2 (JC2) or IB Y2
  • Hong Kong: S7 (HKDSE Y2)