Greybull High School is a public high school in Greybull, Wyoming, United States. It is part of Big Horn County School District #3 and serves students in grades 9–12. The school's mascot is the Buffalos, or "Buffs."
Serving 146 students in grades 9-12, Greybull High School ranks in the bottom 50% of all schools in Wyoming for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 55-59% (which is higher than the Wyoming state average of 49%). The percentage of students achieving proficiency in reading/language arts is 40-44% (which is lower than the Wyoming state average of 53%).
The student:teacher ratio of 9:1 is lower than the Wyoming state level of 11:1.
Minority enrollment is 22% of the student body (majority Hispanic), which is lower than the Wyoming state average of 24% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 146 students
- Student:Teacher Ratio: 9:1
- Minority Enrollment: 22%
- Graduation Rate: 80-89% (Top 30% in WY)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 55-59% (Top 30%)
- Reading Proficiency: 40-44% (Btm 50%)
- Science Proficiency: 30-39% (Btm 50%)
- Source: National Center for Education Statistics (NCES), WY Dept. of Education
School Overview
Greybull High School's student population of 146 students has stayed relatively flat over five school years.
The teacher population of 17 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
146 students
Gender %
Total Classroom Teachers
17 teachers
Colors
Blue, Gold
School Rankings
Greybull High School ranks within the bottom 50% of all 303 schools in Wyoming (based off of combined math and reading proficiency testing data).
The diversity score of Greybull High School is 0.35, which is less than the diversity score at state average of 0.39. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#178 out of 303 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
55-59%
49%
Reading/Language Arts Test Scores (% Proficient)
40-44%
53%
Science Test Scores (% Proficient)
30-39%
47%
Student : Teacher Ratio
9:1
11:1
American Indian
1%
3%
Asian
n/a
1%
Hispanic
21%
15%
Black
n/a
1%
White
78%
76%
Hawaiian
n/a
n/a
Two or more races
n/a
4%
All Ethnic Groups
Graduation Rate
80-89%
82%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
41%
28%
Eligible for Reduced Lunch
8%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), WY Dept. of Education
School Notes
- School Mascot: Buffalo
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Greybull High School's ranking?
Greybull High School is ranked #178 out of 303 schools, which ranks it among the bottom 50% of public schools in Wyoming.
What schools are Greybull High School often compared to?
Greybull High Schoolis often viewed alongside schools like Riverside Middle/high School, Lovell High School, Burlington High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
55-59% of students have achieved math proficiency (compared to the 49% WY state average), while 40-44% of students have achieved reading proficiency (compared to the 53% WY state average).
What is the graduation rate of Greybull High School?
The graduation rate of Greybull High School is 80-89%, which is lower than the Wyoming state average of 82%.
How many students attend Greybull High School?
146 students attend Greybull High School.
What is the racial composition of the student body?
78% of Greybull High School students are White, 21% of students are Hispanic, and 1% of students are American Indian.
What is the student:teacher ratio of Greybull High School?
Greybull High School has a student ration of 9:1, which is lower than the Wyoming state average of 11:1.
What grades does Greybull High School offer ?
Greybull High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Greybull High School part of?
Greybull High School is part of Big Horn County School District #3.
School Reviews
Review Greybull High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles

The 15 Biggest Failures of the American Public Education System
The world is in a constant state of change and those who fail to adjust fall behind. Unfortunately, the American public education system has not kept up with the times and is currently facing a number of serious problems. Keep reading to learn about the biggest failures affecting the modern U.S. public education system as well as some of the trends that could spark change.

Florida Governor Calls for More Funding for State’s Public School System
Florida Governor Rick Scott has introduced a state budget for next year that pumps one billion more dollars into the public school system. We’ll look at his reasons for the increase and the responses to the proposal.

Can Your Child’s School Meet the National Standards?
The article discusses the challenges public schools face in meeting national educational standards. It examines current performance trends, identifies key issues affecting student achievement, and explores potential solutions for improving academic outcomes across U.S. public schools.