In 1926, there was another new Crestview School, this one located at U.S. Route 90 and State Road 85. In 1928, Crestview High School became an accredited institution. By 1937, Crestview High School contained 200 students from grades one to twelve. The population of Crestview had reached 3000. During World War II, Eglin Air Force Base was built. The money from the national defense effort helped Okaloosa County progress. Education facilities were expanded and re-built. In 1942, Northwood Elementary School was built and grades one through eight were moved there. Crestview High School housed ninth through twelfth grade.