Number more like 30,000. Women not come only men. Their sat scores does not qualify for ivy or good colleges. Anyway they are source of usd for universities/colleges. There are no jobs for Saudis back home and most of them cannot enter grad school. So they just linger

On the other hand there are over 200,000 Chinese students in USA and they not dumb, they can enter good schools. That you need to worry about