ACA are definitely not integrated, nor are they approved by the UK CAA. The use the approvals of other schools and piggyback off of their approvals because they don't even have their own. Just check out the UK CAA standards document 31:
http://www.caa.co.uk/docs/33/srg_lts...7June%2012.pdf
You can clearly see who are the integrated schools and who are the modular schools, ACA is not listed anywhere. Keep in mind, these are all schools with the UK CAA.