Complex sentence: In addition, "Boston Magazine" has ranked BHS as one of the best high schools in Massachusetts for consecutive years; as of 2012, BHS is ranked 1st in academic performance, according to the magazine's rankings.
Split into simpler sentences: In addition, "Boston Magazine" has ranked BHS as one of the best high schools in Massachusetts for consecutive years. As of 2012, BHS is ranked 1st in academic performance, according to the magazine's rankings.