What grades does Thunder Basin High School serve?

Thunder Basin High School operates as a High school within the local district. The school serves families in the Gillette area.

Where is Thunder Basin High School located?

Thunder Basin High School is a town school in Gillette, WY.

What is the student-teacher ratio at Thunder Basin High School?

The student-teacher ratio at Thunder Basin High School is 16.6:1. Lower ratios generally indicate smaller class sizes.

What schools are in Gillette, WY?

Schools in Gillette include Thunder Basin High School and others operated by the local district. The district serves families throughout the Gillette area.

WYHighCalendar available · 25 events · Auto-updating

Events confirmed from Campbell County School District #1's official calendar.

Thunder Basin High School — School Calendar 2026-27

High|Gillette, Wyoming|Campbell County School District #1

Gillette, WY 82717

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Upcoming Events

Nov

Wed

Veterans DayEventDistrict-wide

Check the calendar for any schedule changes related to this observance.

Nov

Wed

Early Releasehalf_dayDistrict-wide

Nov

Thu

Thanksgiving BreakBreakDistrict-wide

Banks, government offices, and schools may be closed.

Dec

Wed

Early Releasehalf_dayDistrict-wide

Dec

Fri

End Of QuarterEventDistrict-wide

Dec

Sat

Winter BreakBreakDistrict-wide

Review the calendar for the full break dates.

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Plus waste, sports, holidays, and more.

School Profile

Grades

9–12

Enrollment

1,228

Student:Teacher

16.6:1

Locale

Town

District

Campbell County School District #1

Econ. Disadvantaged

22.7%

Phone

(307)687-7733

School Statistics

Academics (SY 2020-21)

ELA Proficiency

43%

13th percentile in WY

Math Proficiency

46%

41th percentile in WY

Graduation Rate

91%

Chronic Absenteeism

0.7%

SY 2019-20

Programs & Activities (SY 2021-22)

AP Program

9 courses offered

141 students enrolled

Dual Enrollment

781 students enrolled

SAT/ACT

148 test takers

Athletics

19 sports, 32 teams

680 participants

Student-Teacher Ratio: 16.6:1

Worse than average in WY

Technology & Internet Access (SY 2021-22)

1:1 Devices

Student devices available

Wi-Fi

Campus-wide wireless

Fiber Internet

High-speed connection

1,578

Connected devices

Staff & Support Services (SY 2021-22)

Teachers (FTE)

72.5

100% fully certified

Counselors

4.5

Psychologists

0.5

Nurses

School Resource Officers

Security Staff

Anti-Bullying Policy

District Finance (FY 2023)

Per-Pupil Spending

$17,610

Total current expenditure

Instruction Spending

$9,967

Per pupil, classroom only

Total Revenue/Pupil

$19,174

All funding sources

Funding Sources

Federal 14%State 19%Local 67%

District-level data from NCES F-33 Survey

Community Context

Community Need Level

Moderate

CDC/ATSDR Social Vulnerability Index 2022

Neighborhood Indicators (Census Tract)

14.4%

Below 150% poverty line

3.1%

Unemployment rate

13.8%

Uninsured residents

8.2%

No HS diploma (25+)

Enrollment Trend (2014-2025)

1,206

Current enrollment

Stable(+4% 5yr)

Coming Up

Wed, Nov 11, 2026

Veterans Day

Check the calendar for any schedule changes related to this observance.

Event

Wed, Nov 25, 2026

Early Release

half_day

Thu, Nov 26, 2026

Thanksgiving Break

Review the calendar for the full break dates.

Break

Full School Calendar 2026-27

Events marked District-wide apply to all schools in Campbell County School District #1. Thunder Basin High School follows the district calendar.

Date	Event	Type	Level
Mon, Sep 7, 2026	Labor Day-No SchoolDistrict-wide Banks, government offices, and schools may be closed.	Holiday	—
Wed, Sep 16, 2026	Early ReleaseDistrict-wide	half_day	—
Fri, Oct 16, 2026	End of QuarterDistrict-wide	Event	—
Wed, Oct 21, 2026	Early ReleaseDistrict-wide	half_day	—
Wed, Nov 11, 2026	Veterans DayDistrict-wide Check the calendar for any schedule changes related to this observance.	Event	—
Wed, Nov 25, 2026	Early ReleaseDistrict-wide	half_day	—
Thu, Nov 26, 2026	Thanksgiving BreakDistrict-wide Review the calendar for the full break dates.	Break	—
Wed, Dec 2, 2026	Early ReleaseDistrict-wide	half_day	—
Fri, Dec 18, 2026	End Of QuarterDistrict-wide	Event	—
Sat, Dec 19, 2026	Winter BreakDistrict-wide Review the calendar for the full break dates.	Break	—
Mon, Dec 21, 2026	Christmas BreakDistrict-wide Review the calendar for the full break dates.	Break	—
Mon, Dec 28, 2026	Christmas Break - No SchoolDistrict-wide	Break	—
Mon, Jan 4, 2027	Professional Day- No SchoolDistrict-wide	Staff Day	—
Mon, Jan 18, 2027	Martin Luther King Jr. DayDistrict-wide Check the calendar for any schedule changes related to this observance.	Holiday	—
Wed, Feb 3, 2027	Early ReleaseDistrict-wide	half_day	—
Mon, Feb 15, 2027	Presidents' DayDistrict-wide Banks, government offices, and schools may be closed.	Holiday	—
Wed, Mar 10, 2027	Early ReleaseDistrict-wide	half_day	—
Fri, Mar 12, 2027	End Of QuarterDistrict-wide	Event	—
Mon, Mar 22, 2027	Spring BreakDistrict-wide Review the calendar for the full break dates.	Break	—
Mon, Mar 29, 2027	Professional Day- No SchoolDistrict-wide	Staff Day	—
Wed, Apr 14, 2027	Early ReleaseDistrict-wide	half_day	—
Thu, May 20, 2027	Westwood High School GraduationDistrict-wide	Event	—
Sun, May 23, 2027	Wright High School GraduationDistrict-wide	Event	—
Tue, May 25, 2027	End Of QuarterDistrict-wide	Event	—
Tue, May 25, 2027	Last Day of SchoolDistrict-wide Review the school calendar for the final day of the academic year.	Event	—