The school serves families and their children from Lehigh, Berks, Northampton, Montgomery, and Bucks counties.

As of the 2023-24 school year, the school had an enrollment of 195 students and 17 teachers on a full-time basis for a student-teacher ratio of 10.0, according to National Center for Education Statistics data.

[1] Salem Christian School was founded in 1979 with a class of 17 students.

As of the 2020–21 school year, student enrollment, including prekindergarten and Kindergarten through 12th grade, was 175.

It states that its goal is to be the premier Christian school in the Lehigh Valley.