Complex sentence: The school has a widely known program called Cultural Awareness for Everyone, or informally C.A.F.E. C.A.F.E. touches on the basis of not only race, but also class, religion, sexual orientation, gender, and age.
Split into simpler sentences: The school has a program called Cultural Awareness for Everyone, or informally CAFE. CAFE touches on the basis of not only race, but also class, religion, sexual orientation, gender, and age.