Has the Maintenance Grant stopped?
Yes:
https://commonslibrary.parliament.uk/research-briefings/cbp-7258/
There's now just a Maintenance Loan:
https://www.gov.uk/student-finance/new-fulltime-students
>>> 2 years is a long time off
Yes, Bednobs, but if the son is currently in Year 11 (about to take his GCSEs), he'll need to be thinking about his potential university options not that long after he gets into Year 12, as he'll need to submit his applications to UCAS during his first term in Year 13. (The deadline to apply for entry into university is during the preceding January).