The top reported proficiency rate is 54% in English language arts. The lowest is 47% in Math.
Original Research by School Decision on Gem Prep: Nampa
Gem Prep: Nampa is a public charter school covering kindergarten through twelfth grade on a single campus in Nampa, Idaho. As a charter, it operates as a school of choice rather than a neighborhood assignment, and its enrollment is modest for a span this wide. The grade-by-grade enrollment tells a clear story: the elementary cohorts are the largest, with fairly even classes through the upper elementary years, while the high school grades taper sharply. By the time students reach the upper grades, only a handful remain in each cohort. That shape is common among charter schools that added high school grades gradually, and a family considering Gem Prep for a high schooler may want to ask the school directly about the depth of programming and peer cohort at those grade levels.
The student body draws families from across Nampa. A substantial majority of students qualify for free or reduced-price lunch. The largest racial or ethnic group is white, followed by a sizable Hispanic population, with small numbers of students from other backgrounds. The school does not report data on English learners or students with individualized education programs, so those looking for information on special education or language supports should contact the school directly.
On Idaho's state assessments, the most recent results show a mixed picture across subjects and grade levels. In math, the early elementary grades are the strongest, with a clear majority of third and fourth graders reaching proficiency. Math results dip in the fifth and eighth grades, where fewer than half of tested students meet the proficiency bar. Seventh grade sits between those poles, with roughly half proficient. Sixth-grade math results were suppressed, likely because the number of tested students was small, so no clear reading is available for that grade.
English language arts results are steadier across grades. Third through fifth grades hover around the midpoint, with about half of students proficient. Seventh grade stands out as a relative bright spot, with a comfortable majority reaching proficiency. Eighth-grade ELA results are reported as a range rather than a single figure, again reflecting the small cohort. Science results were suppressed for the tested grades, which is consistent with the pattern of small testing groups at a school of this size.
No graduation rate, college-readiness, or course-access data was available in the materials provided. For a school serving high school grades, that is a gap a parent would want to fill before committing. The same goes for discipline, attendance, and staffing information, none of which appeared in the data we reviewed.
Nampa itself is Idaho's third-most populous city and part of the fast-growing Boise-Nampa metro area, publicly reported as among the fastest-growing metros in the country. The city originated as a railroad town and irrigation-based agricultural hub, and it retains strong food-processing, agribusiness, and manufacturing sectors. Major employers include names like Amalgamated Sugar, Sorrento-Lactalis, Amazon, and Plexus Corporation. Historic Downtown Nampa is the walkable core, anchored by Library Square with the Nampa Public Library, Lloyd Square Park, and the Nampa Train Depot Museum, plus a farmer's market and street festivals. Outside downtown, the built environment is car-oriented, with Interstate 84 providing four exits into the city and ValleyRide operating bus lines. The city is also home to Northwest Nazarene University and the College of Western Idaho, giving it a student presence beyond K-12.
Housing in the school's zip code sits below the Idaho state benchmark and modestly above the national figure, with rents that are comparatively affordable for the region. Home values have moved up only slightly year over year, while rents have risen at a somewhat faster clip.
Gem Prep: Nampa offers a continuous kindergarten-through-twelfth-grade charter pathway in a growing, working-city setting. Its elementary academic results are a genuine strength, particularly in math, while the upper grades show softer proficiency and very small cohorts. Families drawn to a smaller, single-campus charter environment will find that here, and those with questions about the high school experience should bring them directly to the school.
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