Dd is entering yr 10 and needs extra support with science as she is only working at level 5.
I contacted a local recommended tutor agency, explaining that it was not merely revision, but going back to basics and working alongside the curriculum.
I have had a call from a lovely lady, who has a degree in marketing. She has never been a teacher, and has GCSE Science grade b.
I've gone back to the agency and said I do want someone who is/has been a secondary teacher, with experience in GCSE science. At £30 an hour, I think that's reasonable.
We have a maths tutor who meets that criteria.