Welcome to all the newbies and it is lovely to hear that they are doing well. SW has a double-age for the youngest swimmers too (there aren't that many 10/11 year olds who have been swimming competitively long enough to get QTs).
As an 11-13 year old DD used to swim 7.5 - 9 hours/week with an old school (volunteer) coach. Occasionally somebody would go to Nationals, but they would normally move to a club of clubs before then. DD would typically enter about 10 races in Counties and 5 or 6 for Junior Regionals (our times are quite forgiving). Most clubs would have been moving kids up to a couple of gym sessions and 10+ hours of swimming after that. One of her Pathway camp swimmers was already doing 12+.
Post lockdown pool hire costs have more than doubled for our club and we pay for a coach. The club decision-makers decided they were more likely to succeed if they kept fees at about the same level and swam less.
So all the kids swim 4.5 hours/week and do a lot of 'race pace' sessions. This gets about a third into Counties for shorter distances. Their strategy seems to be working; there seems to be a steady stream of kids wanting to swim AND do another sport.
DD is a very efficient freestyler, well suited to longer distances but she just doesn't have the stamina to swim fast 400m and 800m any more. 200m is a bit of a slog too unless she's been doing some running to keep her fitness up. She's happy enough to just do a couple of sprints at Regionals to justify a new hoodie (which works for me).
The clubs near us are all very different, but it ought to be possible to find a good fit for a young swimmer and their aspirations (or desire to just swim for fun/friendships).
Good luck to everybody competing this weekend.