Concordia University is a private, Christian university located in Portland in the U.S. state of Oregon. Opened in 1905 as a University-preparatory school, the institution added college classes in 1950 and the high school formally split in 1977. The school of approximately 5,400 undergraduate and graduate students is affiliated with the Lutheran Church–Missouri Synod and the Concordia University System. Located in Northeast Portland, the school also has branch campuses across Oregon and operates the Concordia University School of Law in Boise, Idaho. The university has four colleges and eighteen majors.