Thunder Basin High School
Gillette, WY · High School · Grades 9-12
Thunder Basin High School is a high school in Gillette, WY with 1,234 students enrolled and a 62% proficiency rate. Part of Campbell County School District #1. NCES data from the U.S. Department of Education.
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About This School
Thunder Basin High School is a high school located in Gillette, Wyoming. The school serves 1,234 students in grades 9-12. The student-to-teacher ratio is 16.9:1.
According to EDFacts assessment data, 62% of students meet grade-level proficiency standards in combined math and reading. The school reports a 85% graduation rate.
29% of students qualify for free or reduced-price lunch.
Thunder Basin High School is part of the Campbell County School District #1 in Wyoming.
How This School Compares
Thunder Basin High School has 1,234 students enrolled, making it larger than the average school in Campbell County School District #1 (375 students). Its 62% proficiency rate is 6 percentage points above the district average of 56%. Compared to the Wyoming state average of 55%, the school performs 7 points higher.
Frequently Asked Questions
Thunder Basin High School has 1,234 students enrolled in grades 9-12. The student-to-teacher ratio is 16.9:1.
According to EDFacts data, 62% of students at Thunder Basin High School meet grade-level proficiency standards in combined math and reading assessments.
Thunder Basin High School has a 85% graduation rate, measuring the percentage of students who graduate within four years.
Thunder Basin High School is part of the Campbell County School District #1 in Gillette, 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.
this entity is one of the data points covered by this site’s U.S. K-12 school outcomes and enrollment dataset. The detail above comes directly from NCES Common Core of Data and EDFacts; the context that follows situates the headline numbers against the broader distribution across U.S. public schools and districts.
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.