Complex sentence: Conifer High School is a member of the Colorado High School Activities Association (CHSAA) in District 4 it participates in activities in both the 3A classification and the 4A classification situated in between the 600 and 1400 student breakpoints for each of these classifications.
Split into simpler sentences: Conifer High School is a member of the Colorado High School Activities Association (CHSAA) in District 4. It participates in activities in both the 3A classification and the 4A classification, situated in between the 600 and 1400 student breakpoints for each of these classifications.