The top reported proficiency rate is 89% in Math. The lowest is 75% in Science.
Original Research by School Decision on Big Creek Elementary
Big Creek Elementary, serving grades three through five in the North Polk Community School District, is located in Polk City, a rapidly growing suburban community in the Des Moines metro area. For a parent looking at this school, the picture is one of very strong academic outcomes in a setting where the student body is quite homogeneous and where the housing market reflects the area's affluence and high demand.
The strongest signal is the school’s performance on the Iowa Statewide Assessment of Student Progress, or ISASP. Across the board, proficiency rates are high. In math, a very large majority of students met or exceeded the state standard, and in English language arts, the share was also well above what is typical. In science, where the assessment is given to a smaller subset of tested grades, proficiency remained strong. When compared with other districts in Polk County, Big Creek Elementary’s overall proficiency index places it in the top quartile. This is a school where measured academic achievement is a clear strength.
Polk City itself is a key part of the context. The city is the third fastest-growing in the Des Moines metro, and the growth shows in the housing numbers. Home values are elevated, and the homeownership rate is high, indicating a community that is both affluent and established. The town’s historic square and its proximity to Saylorville Lake and Big Creek State Park are prominent civic features. The broader residential base is family-oriented, and the school is a central institution in that life.
The student population at Big Creek Elementary is not particularly diverse. The student body is overwhelmingly white. The share of students who qualify for free or reduced-price lunch is modest. Data on students with disabilities and English learners was not available in the source materials, so a parent with a child in either group would want to ask the school directly about specific support services.
The school serves only grades three through five, so there is no graduation rate to report, nor would there be data on college readiness metrics like SAT or ACT scores. For families planning a child’s full K-12 path, the district sends middle and high school students to separate campuses in Alleman, a short distance away. This means the elementary experience at Big Creek is one leg of a longer journey within the North Polk system.
Civically, the school is part of a district for which publicly reported information on recent changes to curriculum, facilities, or finances was not available. A parent interested in upcoming bond issues, property tax impacts, or program expansions may need to attend a school board meeting or reach out to the district office directly.
The environment of Big Creek Elementary is that of a modern, well-supported public school in a growth corridor. The combination of high proficiency rates, low poverty concentration, and a rapidly appreciating housing market suggests a community that invests in its schools, but also one where the range of student backgrounds is narrow. For a family already living in or moving to Polk City, the academic data is reassuringly strong. For a family seeking more economic or racial diversity, or one with a child with special education needs, the available public data leaves important questions unanswered. A direct conversation with the principal would be a reasonable next step.
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