Complex sentence: St.John's offers a special program of study as a result of its affiliation with St. John's University, a seven-year program which leads to a high school diploma and to a baccalaureate degree from the University.
Split into simpler sentences: St.John's offers a special program of study as a result of its affiliation with St. John's University. A seven year program which leads to a high school diploma and to a baccalaureate degree from the University.