Rocky Mountain High School is a public high school in Cowley, Wyoming, United States. It covers grades 6 through 12, and is part of Big Horn County School District 1. RMHS serves the cities of Byron, Cowley, Deaver, and Frannie. The school mascot is the Grizzly Bear.
Serving 404 students in grades 9-12, Rocky Mountain High School ranks in the bottom 50% of all schools in Wyoming for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 35-39% (which is lower than the Wyoming state average of 49%). The percentage of students achieving proficiency in reading/language arts is 50-54% (which is approximately equal to the Wyoming state average of 53%).
The student:teacher ratio of 19:1 is higher than the Wyoming state level of 11:1.
Minority enrollment is 11% 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: 404 students
- Student:Teacher Ratio: 19:1
- Minority Enrollment: 11%
- Graduation Rate: 70-74% (Btm 50% in WY)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 35-39% (Btm 50%)
- Reading Proficiency: 50-54% (Top 50%)
- Science Proficiency: 45-49% (Btm 50%)
- Source: National Center for Education Statistics (NCES), WY Dept. of Education
School Overview
Rocky Mountain High School's student population of 404 students has grown by 29% over five school years.
The teacher population of 21 teachers has grown by 10% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
404 students
Gender %
Total Classroom Teachers
21 teachers
Year Founded
1983
School Rankings
Rocky Mountain 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 Rocky Mountain High School is 0.20, 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
#207 out of 303 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
35-39%
49%
Reading/Language Arts Test Scores (% Proficient)
50-54%
53%
Science Test Scores (% Proficient)
45-49%
47%
Student : Teacher Ratio
19:1
11:1
American Indian
1%
3%
Asian
n/a
1%
Hispanic
8%
15%
Black
n/a
1%
White
89%
76%
Hawaiian
n/a
n/a
Two or more races
2%
4%
All Ethnic Groups
Graduation Rate
70-74%
82%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
21%
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: Grizzly Bear
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Rocky Mountain High School's ranking?
Rocky Mountain High School is ranked #207 out of 303 schools, which ranks it among the bottom 50% of public schools in Wyoming.
What percent of students have achieved state testing proficiency in math and reading?
35-39% of students have achieved math proficiency (compared to the 49% WY state average), while 50-54% of students have achieved reading proficiency (compared to the 53% WY state average).
What is the graduation rate of Rocky Mountain High School?
The graduation rate of Rocky Mountain High School is 70-74%, which is lower than the Wyoming state average of 82%.
How many students attend Rocky Mountain High School?
404 students attend Rocky Mountain High School.
What is the racial composition of the student body?
89% of Rocky Mountain High School students are White, 8% of students are Hispanic, 2% of students are Two or more races, and 1% of students are American Indian.
What is the student:teacher ratio of Rocky Mountain High School?
Rocky Mountain High School has a student ration of 19:1, which is higher than the Wyoming state average of 11:1.
What grades does Rocky Mountain High School offer ?
Rocky Mountain High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Rocky Mountain High School part of?
Rocky Mountain High School is part of Big Horn County School District #1.
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