Confused about low attainment scores - Access to Leeds

So basically, I went to three different secondary schools, but ended up doing my GCSEs at my sixth form because I dropped out of secondary for health reasons. Of the 3 schools, I think 2 of them will have a low attainment 8 score. However, these are the first two I attended. I picked my GCSE options in Y9 at the second school, but then had some time off and moved schools again. My sixth form and the last school I can't imagine to have low scores. So would I say no to 'You attended or attend a school which achieved below the national average Attainment 8 score at GCSE' because I did my GCSEs at sixth form, or yes because I attended a school with a low score at some point? Also how do I check the attainment scores for each school? I've googled '[the school] attainment 8 score' but can't seem to find any direct score or whether it's below national average. Might be silly questions but any help would be greatly appreciated. Thank you in advance x