Oak Ridge School
Marion, IA · Middle School · Grades 7-8
Oak Ridge School is a middle school in Marion, IA with 526 students enrolled and a 64% proficiency rate. Part of Linn-Mar Comm School District. NCES data from the U.S. Department of Education.
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About This School
Oak Ridge School is a middle school located in Marion, Iowa. The school serves 526 students in grades 7-8. The student-to-teacher ratio is 13.8:1.
According to EDFacts assessment data, 64% of students meet grade-level proficiency standards in combined math and reading.
18% of students qualify for free or reduced-price lunch.
Oak Ridge School is part of the Linn-Mar Comm School District in Iowa.
How This School Compares
Oak Ridge School has 526 students enrolled, making it smaller than the average school in Linn-Mar Comm School District (634 students). Its 64% proficiency rate is 4 percentage points above the district average of 61%. Compared to the Iowa state average of 53%, the school performs 11 points higher. With a 13.8:1 student-teacher ratio, it offers smaller class sizes than the national average.
Frequently Asked Questions
Oak Ridge School has 526 students enrolled in grades 7-8. The student-to-teacher ratio is 13.8:1.
According to EDFacts data, 64% of students at Oak Ridge School meet grade-level proficiency standards in combined math and reading assessments.
Oak Ridge School is part of the Linn-Mar Comm School District in Marion, Iowa. 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.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. public schools and districts with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: NCES Common Core of Data, 2026.