Yes, that seems to be a mainly US thing, I've never seen it in the UK. GCSE (13-16) 'coursework' was 20-30% of the final mark, but that was completely separate

Yes, that seems to be a mainly US thing, I've never seen it in the UK. GCSE (13-16) 'coursework' was 20-30% of the final mark, but that was completely separate from homework and only done in the last year or two.