The Christian School at Castle Hills serves approximately 600 students from preschool to 12th grade.

[1] The school initially served kindergarten through 6th grade, with an enrollment of about 100 students.

[2] Castle Hills has received multiple Texas Association of Private and Parochial Schools Division 4A Awards.

Other awards include two state championships for boys varsity volleyball in the early 2000s.[3][when?]

The Castle Hills secondary choir received back-to-back state titles in 2010 and 2011.