Complex sentence: High school students usually go to Long Beach Polytechnic High School (usually referred to as Long Beach Poly) or Long Beach Wilson Classical High School, and community college students go to one of the two nearby campuses for Long Beach Community College.
Split into simpler sentences: High school students usually go to Long Beach Polytechnic High School (usually referred to as Long Beach Poly) or Long Beach Wilson Classical High School. Community college students go to one of the two nearby campuses for Long Beach Community College.