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Wyoming
Lincoln County School District #2
Star Valley High School

Lincoln County School District #2

Star Valley High School

Afton, Wyoming

891 students

High School, Grades 9–12

(307)885-7847School Website

#5

Best ACT in Wyoming High Schools

891

Students

17.8:1

S:T Ratio

School Snapshot
Key metrics at a glance
Avg SAT Score

1,190

B+

out of 1600
Good
Avg ACT Score

24

B+

out of 36
Good
AP Courses

4

B-

courses offered
Average
AP Enrollment

2%

C

of students
Below Avg
Student-Teacher Ratio

18:1

B

students per teacher
Average
Graduation Rate

92%

A+

Excellent
Reading Proficiency

68%

B+

Good
Math Proficiency

48%

B-

Average
This Week at Star Valley – September 20, 2026

121 students practicing on Varsity Tutors

SAT Prep

1

A

B

C

D

2

A

B

C

D

3

A

B

C

D

4

A

B

C

D

5

A

B

C

D

1520

0

students

Start practicing →
ACT Prep

36

ENG

MATH

READ

SCI

0

students

Start practicing →
Math

0

students

Start practicing →
English

0

students

Start practicing →
Science

0

students

Start practicing →
Explore practice resources for Star Valley students
Academic Grades

Select a grade level to explore courses and resources

9
Grade
10
Grade
11
Grade
12
Grade
Academic Resources

Typical courses and practice resources for students at Star Valley High School

Biology
9

Cell biology, genetics, evolution, and ecology

AP Biology
AP

College-level biology with lab component

Chemistry
9

Atomic structure, reactions, and stoichiometry

AP Chemistry
AP

College-level chemistry with lab component

Physics
9

Mechanics, waves, electricity, and magnetism

AP Physics 1
AP

Algebra-based mechanics and waves

Environmental Science
9

Ecosystems, human impact, and sustainability

AP Environmental Science
AP

College-level environmental science

World History
9

Global civilizations from ancient to modern times

AP World History
AP

College-level world history analysis

U.S. History
9

American history from colonization to present

AP U.S. History
AP

College-level American history

Standardized Test Dates

Upcoming national, state, and school calendar dates that affect students at Star Valley High School.

National Tests

August 1, 2026 – November 30, 2026

ISEE — Fall Testing Season

Testing window

August 3, 2026 – June 30, 2027

SSAT — Flex Testing

Testing window

September 22, 2026

SAT — National

Late registration deadline

September 25, 2026

SAT — National

Score release

September 29, 2026

ACT — National

Late registration deadline

October 1, 2026 – October 30, 2026

PSAT 8/9 — Fall

Testing window
+66 more national tests this school year

State Assessments

September 8, 2026 – October 2, 2026

WY-TOPP Interim — Fall - ELA

Testing window
WY

September 8, 2026 – October 2, 2026

WY-TOPP Interim — Fall - Math

Testing window
WY

January 12, 2027 – February 5, 2027

WY-TOPP Interim — Winter - ELA

Testing window
WY

January 12, 2027 – February 5, 2027

WY-TOPP Interim — Winter - Math

Testing window
WY
See the full national test & school calendar
After Star Valley High
Where graduates go and what they study
Popular Colleges
1

University of Wyoming

2

Utah State University

3

University of Utah

4

Brigham Young University

5

Brigham Young University-Idaho

6

Weber State University

7

Western Wyoming Community College

8

Montana State University

Popular Majors
1

Nursing

2

Business

3

Psychology

4

Elementary Education

5

Biology

6

Dental Hygiene

7

Pre-Medicine Studies

8

Physical Therapy

Varsity Tutors

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ACT Prep

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1:1 Tutoring

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Practice Hub

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School Details
Address

444 West Swift Creek Lane, Afton, WY 83110

Phone

(307)885-7847

Website

Visit Website

District

Lincoln County School District #2

Academic Calendar
2026-27

Important dates, holidays, and school events

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Other Schools in District
Thayne Elementary
Star Valley High School
Osmond Elementary
Etna Elementary
Swift Creek High School
Cokeville High School