Well I am a fan of Wimbledon and environs - I used to live near there. The South West suburbs have some excellent schools.

It is very common to have a one hour commute each way and you may have to accept that if you want to have a reasonable rent and decent schooling. If you can move a tad further out consider any of the following areas - Worcester Park, West Ewell, Motspur Park - rents reasonable for what you'll get.