The Jefferson City Public School district is located in the capitol of Missouri, Jefferson City. The population is approximately 60,000, with about 25,000 living in the surrounding rural area.
State government is the area's largest employer.
The 1999-2000 school year started with 8,675 students enrolled in the district. After middle school, all students begin their high school experience at the Simonsen 9 th Grade Center before ending their K-12 education at Jefferson City High School. Initially, the 6 th grade of one middle school piloted the curriculum, with additional grades added each of the next two years. It is currently used exclusively in the 6 th and 7 th grades. Although these grades in the district took the MMAT, they were not using MATH Thematics.