Why did you transfer out of Rice? Would it make any sense to transfer back?
What language are you hoping to be able to study?
There are some summer language courses which are available where you would go to a different school only for a few weeks over the summer. One daughter did a 5 week summer program to learn her third language (the entire 5 weeks they only spoke French, even in breaks, at meals, and in activities) and it was a very good program. Of course you do not get fluent in 5 weeks, but she did learn enough that she and I could just sort of sit down and have a limited conversation in the language. My understanding is that there are similar programs in some other languages at different universities.