Complex sentence: SchoolsFirst FCU was founded in 1934 by a group of 125 school employees who pooled $1,200 and established "Orange County Teachers Credit Union" with a California state charter.
Split into simpler sentences: SchoolsFirst FCU was founded in 1934 by a group of 125 school employees. They pooled $1,200 and established "Orange County Teachers Credit Union" with a California state charter.