West Africa Advanced School of Theology or WAAST (), located in Lomé, Togo, is a Pentecostal Bible college. It is affiliated with the Assemblies of God.
The school was founded in 1971 under the name of CSTAO by the Assemblies of God. In 2009, a partnership is established with the University of Lomé. . In 2010, Mary Ballenger becomes the president of the school.
The school offers programs in evangelical Christian theology, whose licentiate and master