grow setup... is it ok?

my friend is going organic for the most part and he was wondering if this grow setup and soil is ok

going to transplant into 5 gallon buckets at the 2 week mark.. putting rocks in the bottom to help drainage..

20% organic compost (old fruit, old dinner etc)
20% pearlite
35% foxfarm happy frog organic potting soil
35% foxfarm ocean forest organic potting soil
10% worm castings


with this he will be using the following

Veg growth : fox farm grow big fertilizer
flowering: fox farm big bud and tiger bud fertilizer

its an outdoor grow.. what do you think?

Could be worse lol!!! :D
I would increase to amount of perlite a little bit. And be sure that the compost is WELL broken down.
Also, if you are using home-made compost, remember not to bring it in the house (pests), and add some myco-stim to your soil mix if you want to really maximize its benefits.