Gist
A 11-year-old in Japan is usually Elementary Grade 5 or Grade 6. See the direct answer, key exception and records that confirm the correct placement.
A 10-year-old in Japan is usually Elementary Grade 4 or Grade 5. See the direct answer, key exception and records that confirm the correct placement.
A 7-year-old in Japan is usually Elementary Grade 1 or Grade 2. See the direct answer, key exception and records that confirm the correct placement.
A 6-year-old in Japan is usually Elementary Grade 1 or the final kindergarten year. See the direct answer, key exception and records that confirm the correct placement.
A 5-year-old in Japan is usually the final kindergarten or preschool year. See the direct answer, key exception and records that confirm the correct placement.
A 4-year-old in Japan is usually kindergarten or preschool, commonly the middle kindergarten year. See the direct answer, key exception and records that confirm the correct placement.