Complex sentence: There is an approximate 9:1 student-to-teacher ratio, and the enrollment as of the 2006-2007 school year consisted of 60 freshmen, 49 sophomores, 59 juniors, and 74 seniors, a total of 242 students.
Split into simpler sentences: There is an approximate 9:1 student-to-teacher ratio. The enrollment as of the 2006-2007 school year consisted of 60 freshmen, 49 sophomores, 59 juniors, and 74 seniors, a total of 242 students.