When should I talk to a Marine Recruiter?

A few weeks ago i turned 16 and i am a junior and i was wondering when should i talk to a recruiter and in a few months i will take the ASVAB test at my school should i see him before or after i take it.
Update: if you guys say before or after please explain why
Update 2: Unexpected coming from a Army guy but thank you Private First Class.

and what do you mean he will find you out
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