AFAIK, plenty Colombians and Peruvians go to train in Argentina, due to the cost and relative familiarity (many of them have poor/basic English).
65k for 200-250hrs airplane time, that's a lot. You could do more with that in the US (if one's wise and doesn't go for overpriced places with lots of BS) or simply go to Argentina, fly there, then convert back to Colombian system. Going the US route with the option of instructing afterwards (not much money, but experience) with one of the big schools, would definitely help with aviation English.
Actually, I know handful of Argentinos who can get a job with airline or are about to (needing 900hrs and 'comercial de primera clase'), but their English is below, even very nonchalantly considered 'OACI 4'.