School Grade and Entry Year Calculator

1. Enter Birth date, As-of date, School system.
2. Check the estimate in the result area.
3. Share a reproducible URL if needed.

• Read Grade, Entry year, Graduation year as quick decision-making estimates.
• Do not treat the result as a fixed answer; adjust assumptions to see the range when needed.

• Useful when you want to check a child's school grade; adjust inputs to compare scenarios.
• Useful when you want to estimate entry or graduation years; adjust inputs to compare scenarios.
• For schedules, copy results into a calendar or notes and compare against real deadlines or closed days.
• Date and time outputs depend on device settings, so double-check time zones and entered dates.

Uses the common Japanese April school year and April 1 cutoff to estimate grade and school years.

• Use results for planning only.
• Outputs depend on device time settings.
• Confirm important plans in your calendar or official sources.