On the topic of younger/newer members, the Fiat Lux ensures that every new adult member goes through a minimum 90 day squiring period, with various objectives and goals that need to be accomplished within that timeframe. To be accepted as a squire, a candidate needs simply a sponsoring knight and someone to second their nomination. Maximum time limit is one calendar year - if life's getting in the way, let us know, but if one is just sitting around getting nothing done, then they have to go through the process again from scratch. A stalwart candidate can get through everything in 90 days, (it took me about 100, myself) and should ideally take no longer than 5-6 months.
The squiring process is, again, for all new adult members, from 21+, regardless of years of service in our youth program.