I would suggest you to go for Option 2.
No matter, how good english tutors teach you. Their teachings are only limited to English Grammar and other English tenets. Whereas, a CSP would properly guide you through the English Grammar and the matter to write in an essay.
English Grammar and vocabulary is an asset in English Essay paper. But, completely relying on afore-said is being crucial with yourself. One has to present matter in an impeccable way, which can only be taught by a CSP or those who have gone through other competitive examinations of such level.