Marsh Valley High School
Arimo, ID · High School · Grades 7-12
Marsh Valley High School is a high school in Arimo, ID with 405 students enrolled and a 72% 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 High School is a high school located in Arimo, Idaho. The school serves 405 students in grades 7-12. The student-to-teacher ratio is 17.6:1.
According to EDFacts assessment data, 72% of students meet grade-level proficiency standards in combined math and reading. The school reports a 77% graduation rate.
20% of students qualify for free or reduced-price lunch.
Marsh Valley High School is part of the Marsh Valley Joint District in Idaho.
How This School Compares
Marsh Valley High School has 405 students enrolled, making it larger than the average school in Marsh Valley Joint District (210 students). Its 72% proficiency rate is 7 percentage points above the district average of 65%. Compared to the Idaho state average of 54%, the school performs 18 points higher.
Frequently Asked Questions
Marsh Valley High School has 405 students enrolled in grades 7-12. The student-to-teacher ratio is 17.6:1.
According to EDFacts data, 72% of students at Marsh Valley High School meet grade-level proficiency standards in combined math and reading assessments.
Marsh Valley High School has a 77% graduation rate, measuring the percentage of students who graduate within four years.
Marsh Valley High 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.
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.