Just to offer an alternative point of view, as we've also been down this route - as another poster said, be aware that there are lots of different routes into Acting, and a BA Acting at Drama School is just one of them.
DS applied to drama schools after a covid gap year and got one BA offer for a 'lesser' (his assessment) London school, a waiting list place at GSA and two Foundation Place offers. None were quite what he wanted, so he rejected them all and went to top uni instead to study BA Drama on a course which is 50% Practical and 50% academic. He ended up doing a practical piece for his course each term, and also joined all the drama societies, so was in at least two shows each term. He will be performing at the Edinburgh Fringe for the second time this year with one of the groups. He's also worked with the uni film/TV society and has been in about 8 short films.
He now has a Spotlight PIN/profile, student equity membership and has been doing some paid acting work he gets through friends, contacts, Spotlight and Mandy.
He's currently applying for MA Acting at drama schools (for some 'extra training') but if he doesn't get in, is just going to try to get an agent and take it from there.
What's sad is that we see quite a few of his friends coming out of drama school and 6-12months down the line they still don't have agency representation, so they're not really any further forward.
DS is really happy with the choice he made, because he's made so many contacts at uni in the English/Drama/TV & Film departments who are the people who are now going on to work in scriptwriting/film-making/TV & theatre and there are opportunities for him to work with them.
Meanwhile, DH and I are reassured that if the acting career doesn't work out then at least he has an excellent humanities degree which he could use elsewhere to get him a job in the creative industries!