Advanced Clubs are Toastmasters clubs with a minimum educational credit requirement in order to join. District 53 has four. Usually the requirements are that the members of these clubs have be members of another club, and to have finished either the first two levels of any path in Pathways, or some mix of manuals from the legacy program.
Contact the clubs through their websites, below, for more information.
Capital Advanced Toastmasters
https://1360121.toastmastersclubs.org
Central Connecticut Advanced Toastmasters
https://centralct.toastmastersclubs.org
New England Advanced Toastmasters
https://neat53.toastmastersclubs.org