Original Research by School Decision on Declo Senior High School
Declo Senior High School is a small, regular public high school serving grades nine through twelve in Declo, Idaho, part of the Cassia County Joint District. The town itself is a compact, rural farming community east of Burley, sitting near the south bank of the Snake River along the state highway connecting Burley to Pocatello. Declo has a deep agricultural identity. The J.R. Simplot Company, one of the country's largest agribusinesses, was founded near here, and farming remains the defining industry of the surrounding area. The town covers only a tiny land area, so the school sits within the community rather than on a separated campus, and residents typically travel to nearby Burley for broader services and employment.
The school's enrollment is modest, which is typical for a rural high school serving a small town. The student body is predominantly white, with a Hispanic minority that represents roughly a fifth of the population. Other racial and ethnic groups are barely present. The share of students qualifying for free or reduced-price lunch is under a quarter, which is lower than many rural schools and suggests a community where a number of families are working in agriculture-related trades rather than facing concentrated poverty. Data on students with individualized education programs and English learners was not reported, so it is not possible to characterize those populations here.
Academic performance data is limited and difficult to interpret with confidence. The state assessment summary provided no results for this school. A multi-year series for English language arts proficiency was included, but the data points are internally contradictory, with values in the same school year ranging widely. Rather than present a misleading picture, the honest read is that the academic results for this school are not reliably available in the data we received. A parent considering Declo would want to ask the school directly for current state testing results and any trend information.
Graduation rate was not provided. Course access information, including Advanced Placement, dual-credit, or career-technical offerings, was not available. Staffing ratios, teacher qualifications, attendance patterns, and discipline data were all absent. These gaps are common for small rural schools where state reporting can be sparse or where small student counts suppress certain metrics, but the data does not tell us the specific reason. A parent may want to look into these areas further with the school, particularly what college-credit and career-pathway options exist for a student approaching graduation.
The housing market in the Declo ZIP code runs above the national benchmark and slightly below the Idaho state benchmark, with values having grown at a solid pace recently. The price-to-income ratio sits above four, meaning a typical home costs several times a typical household's annual income. Rent data was not available. For a family considering a move, this is a market where homeownership requires a substantial income, though the area remains more affordable than some parts of Idaho.
The Cassia County Joint District had no parent-relevant changes surfaced in our research, so there is nothing to report on recent shifts in programs, boundaries, or leadership.
What emerges is a picture of a small rural high school in a tight-knit farming community, with a student body that is relatively homogenous and economically stable by rural standards. The academic and programmatic data is thin enough that a family would need to go directly to the school to understand what the classroom experience looks like, what pathways are available after graduation, and how students are performing on state measures. The community itself offers a quiet, agricultural setting with access to Burley for broader amenities.
See more original research from School Decision →