As much as you want.  

It is really depends from you surfing skills, your level and what do you want to get from surfing. Here is some samples to make it easy

If you want to try  you can take 1-2 lessons.

If you want to have fun and learn basic movement  1-3 lessons

If you want to learn all basic knowledge and movement  5-6 classes  you will be really comfortable on the board and gain the ability to learn how to learn.

If you want to get all knowledge and skills which you need to be able surf by you self  we recommend 7-10 lessons.

The more time you put in, the better you will become. 

1-Please be prepared and come  wearing your wetsuit if you have it or swimsuits, speedo or swim shorts it will help you save you time.

2-IF you would like to rinse off, please bring a large plastic container with your own water due to drought restrictions. Note that the city is turning off public showers at state beaches starting July 15, 2015.

Yes, we give for rent all surf equipment in Los Angeles, Santa Monica, Malibu. It is good idea to practices after surf lessons