Complex sentence: The two main high schools are Central (CHS) with Central Freshmen Campus (CFC), and Lake View (LVH); three middle schools, and 21 elementary schools are within San Angelo city limits.
Split into simpler sentences: The two main high schools are Central (CHS) with Central Freshmen Campus (CFC), and Lake View (LVH). Three middle schools and 21 elementary schools are within San Angelo city limits.