Table 1

Readability scores with equivalent age, English and US school grades18 35

AgeUS grade levelEnglish school equivalentFlesh-Kincaid Grade LevelGunning-Fog Index ScoreFlesh Reading Ease Score
6–71Year 211
7–82Year 322
8–93Year 433
9–104Year 544
10–115Year 65590–100
11–126Year 76680–90
12–137Year 87770–80
13–148Year 98860–70
14–159GCSE99
15–1610101050–60
16–1711A Levels1111
17–1812121230–50
University (years 1–3)13–1513–15
University (year 4)1616
Postgraduate17–1817–200–30
Postgraduate plus>20
  • GCSE, General Certificate of General Education.