Linn-Mar High School
Marion, IA · High School · Grades 9-12
Linn-Mar High School is a high school in Marion, IA with 2,271 students enrolled and a 60% 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
Linn-Mar High School is a high school located in Marion, Iowa. The school serves 2,271 students in grades 9-12. The student-to-teacher ratio is 17.5:1.
According to EDFacts assessment data, 60% of students meet grade-level proficiency standards in combined math and reading. The school reports a 86% graduation rate.
23% of students qualify for free or reduced-price lunch.
Linn-Mar High School is part of the Linn-Mar Comm School District in Iowa.
How This School Compares
Linn-Mar High School has 2,271 students enrolled, making it larger than the average school in Linn-Mar Comm School District (634 students). Its 60% proficiency rate is 1 percentage points below the district average of 61%. Compared to the Iowa state average of 53%, the school performs 6 points higher.
Frequently Asked Questions
Linn-Mar High School has 2,271 students enrolled in grades 9-12. The student-to-teacher ratio is 17.5:1.
According to EDFacts data, 60% of students at Linn-Mar High School meet grade-level proficiency standards in combined math and reading assessments.
Linn-Mar High School has a 86% graduation rate, measuring the percentage of students who graduate within four years.
Linn-Mar High 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.
Every number on this page links back to NCES Common Core of Data and EDFacts; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
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.