Star Valley High School
Afton, WY · High School · Grades 9-12
Star Valley High School is a high school in Afton, WY with 891 students enrolled and a 63% proficiency rate. Part of Lincoln County School District #2. NCES data from the U.S. Department of Education.
Get Star Valley High School's new scores when they post
We'll email you the moment Star Valley High School changes. No spam — only real updates.
About This School
Star Valley High School is a high school located in Afton, Wyoming. The school serves 891 students in grades 9-12. The student-to-teacher ratio is 17.8:1.
According to EDFacts assessment data, 63% of students meet grade-level proficiency standards in combined math and reading. The school reports a 84% graduation rate.
11% of students qualify for free or reduced-price lunch.
Star Valley High School is part of the Lincoln County School District #2 in Wyoming.
How This School Compares
Star Valley High School has 891 students enrolled, making it larger than the average school in Lincoln County School District #2 (338 students). Its 63% proficiency rate is 4 percentage points above the district average of 59%. Compared to the Wyoming state average of 55%, the school performs 9 points higher.
Other Schools in Lincoln County School District #2
Frequently Asked Questions
Star Valley High School has 891 students enrolled in grades 9-12. The student-to-teacher ratio is 17.8:1.
According to EDFacts data, 63% of students at Star Valley High School meet grade-level proficiency standards in combined math and reading assessments.
Star Valley High School has a 84% graduation rate, measuring the percentage of students who graduate within four years.
Star Valley High School is part of the Lincoln County School District #2 in Afton, Wyoming. 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.
The this entity record above pulls directly from NCES Common Core of Data and EDFacts. What follows is the per-entity context — how this entity sits in the broader U.S. K-12 school outcomes and enrollment distribution and which underlying factors drive the headline numbers.
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.