This week Jewish people celebrate Rosh Hashanah, their new year. Due to that, there are no more classes this week. The college is open, but there are no classes. American universities, even though many of them are nonreligious, are quite respectful of everyone's religious holidays. I remember when I was at Tufts that it always surprised me that there were classes on Easter week, and the chairman told me that if I wanted to observe the religious holidays I would be allowed to take them. I didn't though, since I am not religious.
Happy 5768 to all Jewish people!