Hey, I read your message and I can give you some advice. I am from Colombia, I travel a lot but I know the girls of my country. It doesn’t matter the place that you choose to study Spanish. There are some Universities like EAFIT that are really good as they told you, but there are some places, a lot smaller but with classes at different hours. Also you can get a teacher for yourself and pay for hours.
As for the girls, there are a lot of options too. You can find them in some places in the streets but I don’t recommend this because it can be a little dangerous. It’s better if you go to web pages where you can check the numbers and the pictures prior to any encounter. I can recommend to you the page where I check them out, because they have young girls, expensive, more cheap and mature.
I know that in schools and universities a lot of girls work offering services of *******, but 99% of them do it undercover. They don’t want any friends or family to know, so they don’t usually show their faces and you can’t approach to them in person. That’s why I recommend the internet for this.
Check them out and share your opinion. Good luck!
Here’s the site I told you and my personal favorite:
https://pasionprepagos.com/*******/medellinhttps://pasionprepagos.com/*******/eva3016818089