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 136 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 21% of the student body (majority Hispanic), which is lower than the Wyoming state average of 25% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 136 students
- Student-Teacher Ratio: 9:1
- Minority Enrollment: 21%
- 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
Top Rankings
Greybull High School ranks among the top 20% of public schools in Wyoming for:
Category
Attribute
Percent Eligible For Free Lunch
Student Attention
School Overview
Greybull High School's student population of 136 students has stayed relatively flat over five school years.
The teacher population of 15 teachers has declined by 6% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
136 students
Total Classroom Teachers
15 teachers
Colors
Blue, Gold
School Calendar
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 0.34, which is less than the diversity score at state average of 0.41. 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
20%
16%
Black
n/a
1%
White
79%
75%
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
49%
34%
Eligible for Reduced Lunch
11%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), WY Dept. of Education
School Notes
- School Mascot: Buffalo
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?
136 students attend Greybull High School.
What is the racial composition of the student body?
79% of Greybull High School students are White, 20% 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
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