In 1951, both campuses consolidated and the parents decided to purchase a full city block (2.5 acres) at 62nd and Franklin Avenue and erect a school building.

In September 1955, Des Moines Christian School opened its doors for the first time with approximately 135 kindergarten through eighth grade students and seven teachers.

In August 1980, Des Moines Christian School moved to the former Franklin Junior High School building located at 48th street and Franklin Avenue, where they rented it from First Federated Church, which was also occupying part of the building.

In September 1983, Des Moines Christian added a secondary school department, which included 9th through 12 grades.

This was intended to provide students with more free time during the day, and to prepare them for what a college schedule may be like.

The other addition to the school was a 104 acre land acquisition paid for by a single donation of over $7 million.

The Lions compete in the West Central Activities Conference in the following sports:[6] Students at Des Moines Christian can also participate in the following sports for Urbandale:[8] As of April 2024, in the 2024-25 school year the athletics program in several sports will move from class 2a to 3a for boys basketball, boys and girls cross country, track and field, baseball, and softball by the Iowa High School Athletic Association and Iowa Girls High School Athletic Union as the size of the school continues to grow.