Stewart Elementary - 05
Yankton, SD · Elementary School
Stewart Elementary - 05 is a elementary school in Yankton, SD with 278 students enrolled and a 63% proficiency rate. Part of Yankton School District 63-3. NCES data from the U.S. Department of Education.
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About This School
Stewart Elementary - 05 is a elementary school located in Yankton, South Dakota. The school serves 278 students. The student-to-teacher ratio is 14.6:1.
According to EDFacts assessment data, 63% of students meet grade-level proficiency standards in combined math and reading.
31% of students qualify for free or reduced-price lunch.
Stewart Elementary - 05 is part of the Yankton School District 63-3 in South Dakota.
How This School Compares
Stewart Elementary - 05 has 278 students enrolled, making it smaller than the average school in Yankton School District 63-3 (506 students). Its 63% proficiency rate is 7 percentage points above the district average of 55%. Compared to the South Dakota state average of 56%, the school performs 6 points higher. With a 14.6:1 student-teacher ratio, it offers smaller class sizes than the national average.
Frequently Asked Questions
Stewart Elementary - 05 has 278 students enrolled. The student-to-teacher ratio is 14.6:1.
According to EDFacts data, 63% of students at Stewart Elementary - 05 meet grade-level proficiency standards in combined math and reading assessments.
Stewart Elementary - 05 is part of the Yankton School District 63-3 in Yankton, South Dakota. You can view all schools in this district on the district page.
All data on this page comes from the National Center for Education Statistics (NCES) Common Core of Data and EDFacts assessment results. These are official federal datasets published by the U.S. Department of Education.
School profiles are built from NCES directory data and EDFacts assessment results. Proficiency rates reflect combined math and reading performance. Graduation rates are reported for high schools with available data.
For this entity, the underlying data on this page comes from NCES Common Core of Data and EDFacts. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
The methodology behind every numeric value on this page is publicly documented on the NCES Common Core of Data and EDFacts portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. public schools and districts. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: NCES Common Core of Data, 2026.