Moving house? Find the best place to live for schools.

Chalkpatch is an app for parents who are deciding where to live in England. It colours every neighbourhood on a map by how well its local state schools do, from nursery right through to sixth form, using public data from the Department for Education and Ofsted.

Start with the areas you could realistically move to, rather than with one school. Chalkpatch shades each neighbourhood by how its nearest state schools have done, so you can compare areas first and then look at the schools in each one.

Soon. We're getting it ready for the App Store and Google Play.

England, down to every postcode. Scotland, Wales and Northern Ireland publish their school data differently, so they aren't included for now.

State-funded nurseries, primary and secondary schools, plus sixth forms and colleges for 16 to 18-year-olds (A levels and vocational courses). Independent and selective schools are listed with their basic details, but we don't score them.

All of it is public: school performance data from the Department for Education, Ofsted inspections, Get Information about Schools, postcode data from the ONS and maps from Ordnance Survey.

Results is how pupils did in tests and exams. Fair chances is how well the school does by its disadvantaged pupils. Improvement shows whether results are going up. We keep the three separate rather than adding them together.

No. Catchment and priority areas change every year and vary between councils, so we don't draw them. What we do show is how many families put each school as their first choice, compared with the number of places it offered.

No, there's no league table. Chalkpatch compares neighbourhoods by all the schools around them, and for each school you can see its own figures and how its scores were worked out.

No account is needed. Your searches, saved places and your child's month and year of birth stay on your phone. Our privacy policy explains the small amount the service does keep.