I can see tutoring becoming a more popular career choice. There is huge demand, especially in maths, from overseas studings wanting to take A levels in England as preparation for applications to English Universities,. often Cambridge and Imperial.
Unllike teaching, hours can be flexible (one such student we know said some of his teachers seemed to spend three days a week on the golf course), you are not expected to get involved in school management or extra curricular, class sizes are small, indeed often one-to-one, and at many colleges most students will be motivated and hard working. Plus lots of scope to earn extra money during the vacations. As well as revision courses, it is not unknown for bright overseas students at top British boarding schools to then spend their vacations at tutorial colleges, in the same way that they would in their home countires. One boy we know only ever had Christmas day off.
Plus you are then free to spend the summer on a yacht in the Med tutoring some child for Eton pre-test or Ivy League maths entry requirements.
I've posted this before. Despite the sensational journalism I don't think it is that wide of the mark:
www.standard.co.uk/lifestyle/london-life/schools-not-out-for-summer-londons-superrich-are-flying-private-tutors-out-to-their-yachts-to-get-their-children-in-to-top-schools-9611409.html
Sixth form education for overseas students is becoming really big business. State schools, like the onces TalkinPeace and Secret Squirrel's children attend, have branched out into taking private oveerseas students, English private schools have expanded their sixth forms, specialist sixth form colleges in places like Shropshire and Cardiff have sprung up,, whist the number of places at private tutorial colleges has expanded significantly. In part because of language, maths is a really popular subject. The question must be whether the demand for good maths teachers in these institutions and their ability to offer better terms and conditions, will add to the recruitment problems British schools already face.