International Study and Internships
There is wide recognition of the educational benefits of a period of study abroad. MIT organizes these visits through the Global Education Office.
Here are some programs of various types in Mathematics that recent MIT Mathematics majors have attended. Several of them have kindly sent reports of their experience and invite you to contact them if you want more information. Deadlines vary by program. These International Study pages have a wealth of information on each program.
This is a one-semester program in Budapest, Hungary. The language is English.
A one-semester program at the Independent University in Moscow. The language is English. The American Mathematical Society administers National Science Foundation grants to cover some of the costs.
This program is for one or two semesters at France's premier science and engineering school, in French.
This program assists in organizing student visits to a variety of other French institutions.
Study or conduct research in Germany.
MISTI's web page states "MISTI matches MIT students with tailored internship, research and teaching opportunities abroad."
For details see http://misti.mit.edu/
The Cambridge-MIT Exchange (CME) program was an opportunity for undergraduate students from one Cambridge to study across the pond at the other. The Mathematics Department of MIT participated in the CME program from 2001 till the end of the program in 2017.