Switching form private to school

i’m currently doing private at CDC, i’ve already passed my btt but haven’t booked ftt yet.

i’m thinking of switching to school as i can’t find any good instructors that aren’t fully booked and i don’t wanna get a shitty pdi.

should i do my ftt first before switching bc i hear u have to do a mock ftt before the actual one?

how hard is it to book lessons? i hear u have to camp for cancelled slots?

i’m currently waiting for enlistment which should be july and would it be possible to finish everything before july? or if not, would it be harder to find lesson slots during weekends when i book out?