Complex sentence: Curriculum at the school started as a rigorous Christian life, having girls rise at 5:30 a.m. for Bible Study, classes in home economics and other industrial skills such as dressmaking, millinery, cooking, and other crafts that emphasized a life of self-sufficiency.
Split into simpler sentences: Curriculum at the school included elements for a rigorous Christian life, having girls rise at 5:30 a.m. for Bible Study. The classes in home economics and industrial skills such as dressmaking, millinery, cooking, and other crafts emphasized a life of self-sufficiency.