Complex sentence: Chaffey College is a public community college in the San Bernardino County city of Rancho Cucamonga, California, in the northern part of the community of Alta Loma.
Split into simpler sentences: Chaffey College is a community college in the San Bernardino County city of Rancho Cucamonga, California. For better reference, it is located in the northern part of the community of Alta Loma.