sexual harassment and safety reasons, the administration banned the Olympics in 2000 to the disappointment of students. Alma mater "Old Nassau" has been Princeton University's school song since 1859, when it was written that year by freshman Harlan Page Peck. It was originally published in the Nassau Literary Magazine, where it won the magazine's prize for best college song. After an unsuccessful attempt at singing it to Auld Lang Syne'''s melody, Karl Langlotz, a Princeton professor, wrote the music for it. In 1987, the university changed the gendered lyrics of "Old Nassau" to reflect the school's co-educational student body. Transportation Tiger Transit is the bus system of the university, mostly open to the public and linking university campuses and areas around Princeton. NJ Transit provides bus service on the lines and rail service on the Dinky, a small commuter train that provides service to the Princeton Junction Station. Coach USA, through their subsidiary Suburban Transit, provides bus service to New York City and other destinations in New Jersey. Student body Princeton has made significant progress in expanding the diversity of its student body in recent years. The 2021 admitted freshman class was one of the most diverse in the school's history, with 68% of students identifying as students of color. The university has worked to increase its enrollment of first-generation and low-income students in recent years. The median family income of Princeton students is $186,100, with 72% of students coming from the top 20% highest-earning families. In 2017, 22% of freshman qualified for federal Pell Grants, above the 16% average for the top 150 schools ranked by the U.S. News & World Report; nationwide, the average was 44%. Based on data in a 2019 article in The Daily Princetonian, 10% of students hail from Bloomberg's 2018 list of "100 richest places", and that the top 20% of high schools send as many students to Princeton as the bottom 80%. In 1999, 10% of the student body was Jewish, a percentage lower than those at other Ivy League schools. 16% of the student body was Jewish in 1985; the number decreased by 40% from 1985 to 1999. This decline prompted The Daily Princetonian to write a series of articles on the decline and its reasons. The New York Observer wrote that Princeton was "long dogged by a reputation for anti-Semitism" and that this history as well as Princeton's elite status caused