Complex sentence: Arriving in the U.S. in 1999 on an F-1 student visa, he studied at now-defunct Southeastern University, receiving several Cs and Ds, an F in basic statistics, and a 2.78 grade point average.
Split into simpler sentences: Arriving in the U.S. in 1999 on an F-1 student visa, he studied at the now-defunct Southeastern University. He received several Cs and Ds, an F in basic statistics, and a 2.78 grade point average.