It is used as a way of measuring how schools compare to each other.

But you say that the scores are based on how a school compares only to certain subcategories of schools.

Statistically, our schools compare with those of more homogeneous school districts.

Americans often can't find reliable information about how the schools in their state compare with schools elsewhere.

The best public schools compare favorably with private or suburban schools.

Three million booklets will show parents how England's 4,600 secondary schools compare.

We've broken down the data to see how different schools compare and it shows that:

It asks the question: How does a school compare with other schools that have similar students?

No figures are provided to satisfy parents' universal curiosity about how their child's school compares with others.

First used in autumn 2004, the test allows schools to compare the academic abilities of students.