AbraCalc

Class Rank Right in the Middle: Rank 250 of 500

A class rank of 250 out of 500 students represents the exact median — the 50th percentile.

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How to use this tool

  1. Enter your class rank (1 = top of the class).
  2. Enter the total number of students in the class.
  3. Read your percentile and the top percentage you fall in.

Find out what percentile corresponds to ranking exactly in the middle of your graduating class.

Frequently asked questions

What is the difference between percentile and top percentage?
Top percentage is simply rank ÷ class size (e.g. top 5%). The percentile rates you against classmates so the top student is the 100th percentile; the two are related but framed oppositely.
Why divide by class size minus one for the percentile?
Using (size − 1) places the top student at exactly the 100th percentile and the last at the 0th, spreading ranks evenly across the full 0–100 range.
My school uses deciles — can I still use this?
Yes. Enter your numeric rank and class size to get an exact percentile; you can then map it to a decile (top 10% = first decile, and so on).