Below is the data published by the Department for Education (DfE) for the 2015/2016 school year, which was updated by them in January 2017. Explanations on the categories and further information are available on the DfE site.
Also available on that site are figures for student absence, school finance and school workforce.
DfE publication timetable for August 2017 results:
October 2017 - Provisional key stage 4 headline measures
January 2018 - Revised key stage 4 results
Performance 8 Score - Top 25% of Schools in England
The chart below shows how St Clere's compares on Progress 8 against the
England and local authority averages: