Thunder Basin High School

Campbell County School District #1

Gillette, Wyoming

1,234 students

High School, Grades 9–12

(307)687-7733 School Website

1,234

Students

16.9:1

S:T Ratio

School Snapshot

Key metrics at a glance

Avg ACT Score

out of 36

Average

AP Courses

B+

courses offered

Good

AP Enrollment

11%

of students

Average

Student-Teacher Ratio

17:1

students per teacher

Average

This Week at Thunder Basin – July 26, 2026

166 students practicing on Varsity Tutors

SAT Prep

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students

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ACT Prep

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MATH

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Explore practice resources for Thunder Basin students

Academic Grades

Select a grade level to explore courses and resources

Academic Resources

Typical courses and practice resources for students at Thunder Basin High School

Biology

Cell biology, genetics, evolution, and ecology

AP Biology

College-level biology with lab component

Chemistry

Atomic structure, reactions, and stoichiometry

AP Chemistry

College-level chemistry with lab component

Physics

Mechanics, waves, electricity, and magnetism

AP Physics 1

Algebra-based mechanics and waves

Environmental Science

Ecosystems, human impact, and sustainability

AP Environmental Science

College-level environmental science

World History

Global civilizations from ancient to modern times

AP World History

College-level world history analysis

U.S. History

American history from colonization to present

AP U.S. History

College-level American history

Standardized Test Dates

Upcoming national, state, and school calendar dates that affect students at Thunder Basin High School.

National Tests

August 7, 2026

SAT — National

Registration deadline

August 11, 2026

SAT — National

Late registration deadline

August 14, 2026

ACT — National

Registration deadline

August 22, 2026

SAT — National

Test date

August 28, 2026

SAT — National

Registration deadline

September 1, 2026

ACT — National

Late registration deadline

+63 more national tests this school year

State Assessments

September 8, 2026 – October 2, 2026

WY-TOPP Interim — Fall - ELA

Testing window

September 8, 2026 – October 2, 2026

WY-TOPP Interim — Fall - Math

Testing window

January 12, 2027 – February 5, 2027

WY-TOPP Interim — Winter - ELA

Testing window

January 12, 2027 – February 5, 2027

WY-TOPP Interim — Winter - Math

Testing window

See the full national test & school calendar

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School Details

Address

4001 Saunders Boulevard, Gillette, WY 82718

Phone

(307)687-7733

Website

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District

Campbell County School District #1

Teachers & Staff

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Other Schools in District

Twin Spruce Junior High School

Paintbrush Elementary