The Good Stuff
EF Tours - the Cambridge, MA, travel company which arranged my group tour in Europe. My package was called "European Kaleidoscope" but they have many others.
EF Institute for Cultural Exchange, 1 Memorial Drive, Cambridge, MA 02142, tel. (800) 637-8222. About 60,000 students yearly.
The American Council for International Studies - since 1978 booking an estimated 35,000 students yearly.
The Cultural Heritage Alliance - Founded by two public school teachers, CHA organizes tours for 45,000 American students yearly.
Council on Standards for International Educational Travel - a nonprofit group handling semster- to year-long programs. Get their annual advisory list of international educational travel and exchange programs! (The directory costs $10 and covers about 60 organizations.)