Gray Collegiate Academy defeated York Prep 66 to 64, in the Class 2A Upper State playoffs Thursday evening.
The win over second-ranked York Prep was the War Eagles tenth straight win this season. Gray has won three consecutive 2A state championships in basketball.
Gray, of West Columbia, now has a record of 18-4.
Gray next takes on Christ Church in the Class 2A Upper State final Monday. The location of has not yet been announced.