While this year many parents got good news about their child's school place, the future's not so bright.
It's actually much worse than London councils had expected. By 2016 there'll be nearly 120,000 children without a place at a primary or secondary school.
The councils are pleading with the government for extra money for the capital. So will the Mayor back them?
Our Political Correspondent Simon Harris has been finding out:
More top news
A Liberal Democrat parliamentary candidate has said he deliberately caught HIV after years battling depression.
His top speed is believed to be the highest ever recorded in the UK by a rider carrying a pillion passenger.
The mayor took time out from City Hall to join Conservative party workers handing out leaflets in Uxbridge and South Ruislip.