If you are a teacher and would like to take advantage of travel opportunities, here are some organizations that may be useful. If you are interested in doing the type of travel experience that I just did, that was done by IREX, Teachers for Global Classrooms.
If you are a student and would like to spend some time in another country, here are some organizations that my be useful.
AMINEF- The American Indonesian Exchange Foundation. This is a binational, nonprofit foundation that administers the Fulbright Program. This program has grants for US Students interested in doing research or being an English Teaching Assistant. There are other grants here for Americans.
Kennedy-Lugar Youth Exchange and Study (YES) program- This program was established by Congress in repsonse to the events of September 11, 2001. This program provides scholarships to high school students to countries with significant Muslim populations.