Marsh Valley Middle School
Arimo, ID · Middle School · Grades 7-8
Marsh Valley Middle School is a middle school in Arimo, ID with 188 students enrolled and a 67% proficiency rate. Part of Marsh Valley Joint District. NCES data from the U.S. Department of Education.
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About This School
Marsh Valley Middle School is a middle school located in Arimo, Idaho. The school serves 188 students in grades 7-8. The student-to-teacher ratio is 17.1:1.
According to EDFacts assessment data, 67% of students meet grade-level proficiency standards in combined math and reading.
25% of students qualify for free or reduced-price lunch.
Marsh Valley Middle School is part of the Marsh Valley Joint District in Idaho.
How This School Compares
Marsh Valley Middle School has 188 students enrolled, making it smaller than the average school in Marsh Valley Joint District (210 students). Its 67% proficiency rate is 2 percentage points above the district average of 65%. Compared to the Idaho state average of 54%, the school performs 13 points higher.
Frequently Asked Questions
Marsh Valley Middle School has 188 students enrolled in grades 7-8. The student-to-teacher ratio is 17.1:1.
According to EDFacts data, 67% of students at Marsh Valley Middle School meet grade-level proficiency standards in combined math and reading assessments.
Marsh Valley Middle School is part of the Marsh Valley Joint District in Arimo, Idaho. 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.