Thanks very much Lori and Laine. Have now booked with CEILA and will let you know how it goes. There are so many French language schools in France, it was difficult to know which to choose. Most of them seem to charge about 250 euros per week for about 20 hours group tuition, for short courses. The CEILA was the only one I found which said it was "Association à but non lucratif " (non profit), which can't be a bad thing. I did find one language school in Lyon which was charging 280 euros for 4 weeks! which seems very low. I wonder if that one was more about non-EU citizens finding a way into Europe for other purposes, like those that exist in London (where the number of people registered is much greater than the number of people in the classes).