http://news.bbc.co.uk/hi/english/education/newsid_1573000/1573033.stm
The above link should give a few more details on the story. Now, prepare to yawn:
A-levels in England are usually taken at the end of a student’s school career (age 18), and are the most common route to university entrance. Most students will have university places offered to them conditional upon their A-level marks based on predicted grades, and interviews with their preferred universities. If a student fails to achieve their conditional marks, they may still get into their university of choice (rare), or they may make the grade for their 2nd or 3rd choice institution. OTOH, they may enter the “clearing” system, where all untaken university places are advertised int he press, and it’s a question of ringing round and finding a subject or an institution that will take them. I know several people who have entered very interesting careers this way, having previously been unaware of the vast variety of degree level courses available. They failed to get onto a French course, but went to do Swedish and Ecology, for example.
Apologies for the dullness of the above for those who are familiar with the system anyway, but it does go to show that A-level marks are not the be-all and end-all of an academic career. We don’t know whether the student in question had an offer to go to a respected law course and failed to get her place because of the failure of her teacher/school. However, even if that were the case, she can still become a lawyer if her heart’s set upon it because you do not need an undergraduate law degree to become a lawyer. You can study law as a post graduate subject (1 year full-time) before going on to do the same professional courses as anyone who studied law as an undergraduate degree. Ask me - I’m doing it! (well, part-time)…
As for the quality of the teaching, the BBC article above points to an extra exam that the students were not told about. Even with their existing skills, perhaps it was impossible to get a decent grade without sitting that exam. I also wondered whether the teacher taught the wrong syllabus. I remember a story I saw at result-time (I did google for it, but no luck) about a class of students who sat down for their English Literature A-level paper, full of knowledge about Hamlet, only to be faced with questions about King Lear. The English system has exams set by several different examining boards, and it is not beyond the bounds of possibility that a school may enter their students for a Latin exam set by the Cambridge examining board, but for the teacher to teach the syllabus for the Oxford examining board (oops). These may have completely different requirements in terms of materials and coursework-exam balance.
All that said, I fall into the “yes, but” camp. The school has manifestly failed to deliver it side of a contract. However, the demands relating to future earnings are patently silly, given that there is nothing preventing the young Miss from following her dream all the way to a top City firm. She can even turn the A-level debacle into a useful interview anecdote about overcoming a problem, if she retakes the course at some point. Oddly, they often DO look at things like A-level results when handing out training contracts, but they also look at a satchel-load of other things too, hence the exhaustive interviewing process that lasts many years-ahem-days…
And, she now has the chance to avoid becoming a lawyer, if she likes 
Ooh, what a long and dull first post. Forgive me. I will now go and be interesting for the weekend.
Embra