The top reported proficiency rate is 42% in Math. The lowest is 40% in Science.
Original Research by School Decision on Jefferson Intermediate School
Jefferson Intermediate School serves fifth and sixth graders in the St. Charles R-VI School District. It is a regular public school, and its grade span places it in between elementary and middle school, a transitional setting for students at an age when academic expectations and social dynamics shift noticeably. The school is located in St. Charles, a historic northwestern suburb of St. Louis with a layered character: a walkable, brick-paved Main Street district along the Missouri River, a downtown anchored by Lindenwood University and the county courthouse, and a larger suburban footprint of residential neighborhoods and commercial corridors along Interstate 70. The city has seen steady population growth in recent years, and its housing market, measured by typical home values and rents in the school’s ZIP code, sits above the national benchmark, reflecting the area’s established desirability within the St. Louis region.
The student body is predominantly white, with a substantial Black enrollment that makes up a notable share of the population. Hispanic and Asian students are present in smaller proportions. The share of students who qualify for free or reduced-price lunch is very low, which distinguishes this school from many others in the region and suggests a generally affluent student population. Data on students with individualized education plans and English learners was not available, so a parent with a child who has an IEP or is learning English should follow up with the school to understand what supports are in place.
State testing results from the Missouri Assessment Program show where students are performing in math, English language arts, and science. In fifth-grade math, slightly more than a third of students reached proficiency. Sixth-grade math was stronger, with just under half of students scoring at or above the proficient level. In English language arts, fifth graders performed somewhat better than sixth graders; more than two-fifths of fifth graders were proficient, while just over a third of sixth graders met that mark. Science is tested only in fifth grade, where roughly two-fifths of students were proficient. Taken together, the school’s overall proficiency index across tested subjects and grades places it in the bottom quartile relative to other districts in St. Charles County. The county comparison set includes several other systems, and Jefferson’s performance lags behind the midpoint. A parent looking solely at test results will want to consider this context carefully, particularly if high academic proficiency is a top priority.
Because Jefferson only goes through sixth grade, there is no graduation rate to report. The school does not have data on chronic absenteeism, which means that picture of attendance patterns is missing. Information on course offerings, staffing, and discipline was also not available, so a parent interested in the breadth of the academic program or the school climate may need to reach out directly or attend an open house.
The district itself did not show notable recent changes in the publicly available record, so the operating context appears stable. St. Charles as a community offers a mix of historic downtown life and suburban amenities, including Frontier Park, the Family Arena, and the St. Charles Convention Center. For a family considering the area, the housing market leans expensive compared to national averages, and the city’s growth has been steady.
Jefferson Intermediate is a transitional school for two grades in an affluent, stable suburban district. Its academic results are mixed and below the local county average, which is a soft spot a prospective parent should explore further, especially if looking for a school with strong test scores. The student population is not economically diverse, but it is somewhat racially diverse, particularly in Black enrollment. For a family already living in the St. Charles area, this is the intermediate school their child would attend before moving on to a middle or junior high school. For a family moving into the district, the housing costs and the school’s academic profile are both worth weighing together.
See more original research from School Decision →