| Waterloo Christian School | |
| Established: | 1973 |
| Type: | Private Christian |
| Affiliation: | Iowa Star Conference |
| Principal: | Ryan Hall |
| Head Name: | Second Master |
| Head Name2: | Assistant Headmaster |
| Enrollment: | 335 (2023-2024)[1] |
| Grades: | K-12 |
| Streetaddress: | 1307 W. Ridgeway Ave. |
| City: | Waterloo |
| State: | Iowa |
| Country: | United States |
| Colors: | Green, White, Black, gold |
| Mascot: | Regent |
| Free Label: | Emblem |
| Website: | waterloochristian.com |
Waterloo Christian School is a private K-12 Christian school in Waterloo, Iowa.
Waterloo Christian School, formerly Walnut Ridge Baptist Academy, was founded in 1973 as a ministry of Walnut Ridge Baptist Church. Church members wanted a place for their children to be educated from a Biblical perspective. The graduating class of 1988 were the first students to complete all grades from kindergarten through 12th grade.