Complex sentence: Colony High School (CHS) is a public secondary school in Palmer, Alaska, United States, serving students in grades 9--12 it is part of the Matanuska-Susitna Borough School District.
Split into simpler sentences: Colony High School (CHS) is a public secondary school in Palmer, Alaska, United States, serving students in grades 9--12. It is part of the Matanuska-Susitna Borough School District.