It was initially a branch campus of Westminster Theological Seminary in Philadelphia until 1982 when it became fully independent.
[2] Westminster Seminary California was founded in 1979 and welcomed its first students in the fall of 1980.
The Escondido Orthodox Presbyterian Church worships in the WSC Chapel.
[6] Westminster Seminary California is accredited by the Western Association of Schools and Colleges[7] and was first accredited by the Association of Theological Schools in the United States and Canada in 1997.
[citation needed] Westminster Seminary California is associated with the Reformed Two kingdoms doctrine.