Complex sentence: He attended Concord Academy in Concord, Massachusetts, and graduated in 1992 from Bard College located in Annandale-on-Hudson, New York, then spent a year abroad at Saint Petersburg Polytechnical University in Russia.
Split into simpler sentences: He attended Concord Academy in Concord, Massachusetts, and graduated in 1992 from Bard College located in Annandale-on-Hudson, New York. He spent a year abroad studying at Saint Petersburg Polytechnical University in Russia.