The top reported proficiency rate is 57% in Math. The lowest is 52% in Science.
Original Research by School Decision on Jefferson Elementary School
Jefferson Elementary School sits in Rigby, a small city that serves as the county seat of Jefferson County in eastern Idaho's Upper Snake River Valley. Rigby has a traditional small-town feel, with a Main Street commercial core, surrounding residential neighborhoods, and agricultural land at the edges. Publicly reported sources describe the community as predominantly Latter-day Saint and known as the "Birthplace of Television" after native son Philo T. Farnsworth. A meaningful share of residents commute to jobs in nearby Idaho Falls or Rexburg, and many work at or through the Idaho National Laboratory, the federal nuclear research facility locally called "The Site." The town has seen steady population growth since the 2020 census, and its official website frames the community as one of "steady growth and opportunity."
The school is part of Jefferson County Joint District, which also serves neighboring communities such as Menan, Lewisville, and Roberts. The district operates Rigby High School, two middle schools, and six elementary schools spread across the broader area. Jefferson Elementary itself sits at a rural address outside the town center. We looked for parent-relevant changes in the district, such as curriculum shifts, property-tax measures, or referenda, but the research turned up only basic directory information, so there is nothing to report on that front.
Housing in the Rigby area runs above the Idaho state benchmark and well above the national figure. Typical home values are in a range that suggests a market where buying requires a solid income, and estimated monthly mortgage costs under current rates exceed what renting would cost. Rents themselves are moderate relative to income. This is a place where a family with a steady household income can likely rent comfortably, while purchasing a home is a larger financial step. The gap between monthly mortgage and rent is wide enough that some families may choose to rent while settling in.
Jefferson Elementary serves kindergarten through fifth grade on a regular public school model. Enrollment is sizable for an elementary school in this band. The student body is overwhelmingly white, with a small Hispanic presence and a handful of students identifying as two or more races or Asian. About a third of students qualify for free or reduced-price lunch. Data on individualized education programs and English learner status was not reported, so we cannot characterize those populations here.
On state assessments, the most recent results tell a mixed but generally middling story. In math, a majority of third graders and a somewhat larger majority of fifth graders reached proficiency, with fourth grade landing just above the halfway mark. English language arts results follow a similar pattern, with third and fifth grades clearing the majority threshold and fourth grade sitting below it. The fifth-grade ELA result was the strongest across all tested grades and subjects. Science, tested only in fifth grade, showed just over half of students reaching proficiency. Taken together, these results suggest a school where most tested students meet state benchmarks in most subjects and grades, but where a substantial portion does not, and where fourth grade stands out as the relatively softer spot. A parent whose child is entering fourth grade may want to look into this further with the school.
Participation rates and average scale scores were not reported, which limits what can be said about how fully the student body was assessed or how performance compares on a scaled basis. Multi-year trend data was returned but appears inconsistent, so we have left it out rather than present an unreliable read.
No data was available on discipline, course access, staffing ratios, attendance, Title I status, or specialized programs. Civil-rights reporting was also absent. These gaps mean the picture here is built from assessment results, enrollment, and community context alone. For a family drawn to a growing small town with a commuter-friendly location and a traditional public elementary experience, Jefferson Elementary offers solid-if-unspectacular academic results in a community that is actively building itself out.
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