The top reported proficiency rate is 47% in Science. The lowest is 36% in Math.
Original Research by School Decision on Hillsboro Jr. High
Hillsboro Jr. High serves seventh and eighth graders in the Hillsboro R-III district, a regular public school in a town that is both the county seat of Jefferson County and a community experiencing steady residential growth. The student body is predominantly white, with a modest share of students from other racial and ethnic backgrounds. About a third of students qualify for free or reduced-price lunch, a rate that positions the school near the middle of the economic spectrum among its peer districts in the county.
Academic results on the Missouri Assessment Program show a mixed picture that parents should weigh carefully. In seventh grade, math proficiency sat below half of tested students, while English language arts proficiency was a bit higher but still below a majority. By eighth grade, math proficiency dropped considerably, landing at a level that raises a question any family would want to explore with school staff. Eighth grade English language arts held steady, roughly where seventh grade had been, and science proficiency came in at a similar level. When the school is placed relative to other districts in Jefferson County, its overall proficiency index falls below the midpoint of the group, meaning a number of neighboring districts post stronger results.
The school is a middle-of-the-path junior high with no magnet or charter status. Its grade band means there is no graduation rate to report because the school does not serve high school grades. The district brief turned up no recent bond issues, construction projects, or policy changes that would reshape a family’s daily experience, so the school appears to be operating without a major disruption on the horizon.
Hillsboro itself is a small government and trading center set in a rural landscape a short drive from St. Louis. The town has grown substantially in recent decades, and the zip code includes a ring of residential developments, including lake communities, that signal an area attracting new residents. The Jefferson County Courthouse anchors the downtown, and Jefferson College’s main campus is in town, offering a nearby two-year option. The school sits along Highway 21, separate from the courthouse core but part of a district campus that has expanded over time.
Housing values in the area are below the national typical home price, which makes the community more accessible for buyers than many metro-adjacent suburbs. The 30-year fixed mortgage rate at the time of this profile was above its recent low, a factor that affects affordability broadly. Median household income nationally has risen in recent years, and Hillsboro’s own estimated income has climbed as well, though the town’s economic base leans on government, education, and local services rather than a single large employer.
For a family considering this school, the central tension is between a stable, growing community with relatively affordable housing and academic results that trail the county average. The math scores for eighth graders in particular are a soft spot that a parent would want to discuss directly with the school to understand what interventions or supports are in place. The school does not appear to offer specialized programs that would distinguish it from a standard junior high experience. It fits a family that values a small-town setting, a walkable historic downtown, and proximity to St. Louis without the full suburban price tag, and who is willing to engage actively with the school on academic support. The district has no visible recent turmoil, and the school’s demographic profile is largely homogeneous. Families looking for a school with strong academic momentum or a wide array of enrichment options may find the available evidence gives them reason to look further.
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