The top reported proficiency rate is 79% in English language arts. The lowest is 74% in Math.
Original Research by School Decision on Thomas Jefferson Charter
Thomas Jefferson Charter is a kindergarten-through-twelfth-grade charter school in Caldwell, Idaho, operating under its own charter organization. It serves a relatively small student body spread across every grade level, which gives it the feel of a compact, continuous pathway rather than a large comprehensive campus. Class sizes at each grade level are modest, and the school's enrollment is evenly distributed from the elementary years through high school, with somewhat smaller cohorts in the upper grades.
On state assessments, the academic picture is strongest in the middle grades where results are fully reported. Math proficiency climbs steadily from sixth through eighth grade, reaching a high level by eighth grade. English language arts performance is similarly solid across the grades where point estimates are available, with fifth grade standing out as particularly strong. Several grade-level results are reported as ranges rather than single point values, and some tested counts are suppressed, which is common when cohort sizes are small. This means a parent looking at the data sections will see ranges in places rather than a single proficiency figure, and that reflects the small-cohort nature of the school rather than any gap in testing itself. Average scale scores and participation rates were not available in the data provided. No multi-year trend could be established beyond the current year.
The school's student composition is predominantly white, with a substantial Hispanic share and small representations from other racial and ethnic groups. Just over a third of students qualify for free or reduced-price meals. Information on special education enrollment and English learner status was not available in the data, so those dimensions of student support cannot be characterized here. A parent may want to ask the school directly about services in those areas.
Caldwell itself is the county seat of Canyon County, situated roughly twenty-four miles west of Boise. It has deep agricultural roots, publicly reported as the founding community of the J.R. Simplot Company, and that food-processing heritage remains an economic driver. The city has been growing rapidly, with a recognizable downtown centered on a restored Indian Creek corridor that includes walkways, bridges, and picnic areas. Publicly reported civic amenities include a dozen city parks, two golf courses, and annual events such as the Canyon County Fair, the Caldwell Night Rodeo, and an Indian Creek Festival. The College of Idaho is located in the city on its own campus. K-12 students in Caldwell are generally split between the Caldwell School District and the Vallivue School District, with Thomas Jefferson Charter operating as an independent charter option alongside both.
The housing market in the school's zip code sits below the Idaho state benchmark for typical home values and is close to the national benchmark, which may make the area relatively accessible compared with some other parts of the Boise metro. Rents have been rising modestly. Mortgage rates, as publicly reported through Freddie Mac data, remain elevated by recent historical standards.
Several data categories that parents often look for were not available. No graduation rate was provided, even though the school serves twelfth grade, so a family would need to seek that directly from the school. No course access information, staffing data, discipline figures, attendance metrics, or program offerings were included. No neighbor comparison or district-level positioning set was available, and the district brief returned no parent-relevant changes. Civil rights data was also absent.
What the available evidence points to is a small charter school with strong middle-grade assessment results, a continuous kindergarten-through-senior structure, and a location in a growing agricultural city with increasingly diverse amenities. Families considering this school would benefit from asking about high school academic pathways, graduation outcomes, and student support services, since those pieces are not captured in the data provided.
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