Key for summary rank indicators
| Group | Definition | Label |
|---|---|---|
 1st quartile |
Lowest 25% of LAs (low rank is good) | Best |
 2nd quartile |
LAs with values that lie between 25% and 50% in the rankings | Better than average rank |
 3rd quartile |
LAs with values that lie between 50% and 75% in the rankings | Worse than average rank |
 4th quartile |
Highest 25% of LAs | Worst |