Back by popular demand – we’re going to run the FOBISIA Code Breaking Maths Challenge 2026-7 again.  The dates will be:

Monday 21st and Friday 25th September 2026.

Last year we had close to 120 schools taking part with over 22,000 students completing at least one code level.  We hope that this year’s event will be equally successful.

If you are a teacher you can register your school here. The deadline for registration will be Monday 14th September. No further registrations will be possible after this date.