Twin Falls High School
Twin Falls, ID · High School · Grades 9-12
Twin Falls High School is a high school in Twin Falls, ID with 1,286 students enrolled and a 71% proficiency rate. Part of Twin Falls District. NCES data from the U.S. Department of Education.
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About This School
Twin Falls High School is a high school located in Twin Falls, Idaho. The school serves 1,286 students in grades 9-12. The student-to-teacher ratio is 20.7:1.
According to EDFacts assessment data, 71% of students meet grade-level proficiency standards in combined math and reading. The school reports a 83% graduation rate.
18% of students qualify for free or reduced-price lunch.
Twin Falls High School is part of the Twin Falls District in Idaho.
How This School Compares
Twin Falls High School has 1,286 students enrolled, making it larger than the average school in Twin Falls District (520 students). Its 71% proficiency rate is 19 percentage points above the district average of 53%. Compared to the Idaho state average of 54%, the school performs 17 points higher. The 20.7:1 student-teacher ratio is above the national average of 16:1.
Frequently Asked Questions
Twin Falls High School has 1,286 students enrolled in grades 9-12. The student-to-teacher ratio is 20.7:1.
According to EDFacts data, 71% of students at Twin Falls High School meet grade-level proficiency standards in combined math and reading assessments.
Twin Falls High School has a 83% graduation rate, measuring the percentage of students who graduate within four years.
Twin Falls High School is part of the Twin Falls District in Twin Falls, 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.
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.