Headteachers are to publish their own alternative league tables which they say will give parents more information about schools than data published by the Government.
The rival rankings, which will focus on secondary schools to begin with, are expected to cover GCSE results as well as details on extra-curricular activities such as music and sport, the curriculum and other measures like class sizes and subjects.
School leaders said they believe that the new tables will become the established, independent way of publishing data that bypasses politicians and government.
The proposals have been drawn up by two unions - the Association of School and College Leaders (ASCL) and the National Association of Head Teachers (NAHT), along with independent school and academy group United Learning and PiXL, which works with schools to raise standards.
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