CNI college (Career Networks Institute) was recognized in 1994 as a post secondary occupational learning center for allied health in Santa Ana, California. The vocational college was relocated to the City of Orange campus in 1997 so as to provide a spacious accommodation space and an environment more favorable to education. The college expanded to the Costa Mesa campus location in 2003 to have room for growth.
On May 4, 2009, the main campus moved back to the City of Orange campus to house all classrooms and administrative offices in one location. The college's facility offer roughly 35,000 square feet of classroom and office space. The facilities comprise of spacious classrooms as well as medical and pharmacy laboratories, a personal training laboratory, medical billing and coding skills laboratory and a computer lab.
An on-campus library with Internet access is available to all CNI Vocational College students during regularly scheduled College hours. CNI College conveys education in building and building depending on the vocational training programs and class curriculum the students are registered in.