Serving 446 students in grades 9-12, Corvallis High School ranks in the bottom 50% of all schools in Montana for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 15-19% (which is lower than the Montana state average of 37%). The percentage of students achieving proficiency in reading/language arts is 30-34% (which is lower than the Montana state average of 46%).
The student-teacher ratio of 15:1 is higher than the Montana state level of 12:1.
Minority enrollment is 16% of the student body (majority Hispanic), which is lower than the Montana state average of 23% (majority American Indian and Hispanic).
Quick Facts (2025-26)
- Grades: 9-12
- Enrollment: 446 students
- Student-Teacher Ratio: 15:1
- Minority Enrollment: 16%
- Graduation Rate: ≥95% (Top 1% in MT)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 15-19% (Btm 50%)
- Reading Proficiency: 30-34% (Btm 50%)
- Science Proficiency: 20-24% (Btm 50%)
- Source: National Center for Education Statistics (NCES), MT Dept. of Education
Top Rankings
Corvallis High School ranks among the top 20% of public schools in Montana for:
Category
Attribute
Graduation Rate
School Overview
Corvallis High School's student population of 446 students has stayed relatively flat over five school years.
The teacher population of 30 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
446 students
Gender %
Total Classroom Teachers
30 teachers
Year Founded
1905
School Rankings
Corvallis High School ranks within the bottom 50% of all 696 schools in Montana (based off of combined math and reading proficiency testing data).
The diversity score of Corvallis High School is 0.28, which is less than the diversity score at state average of 0.40. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#608 out of 696 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
15-19%
37%
Reading/Language Arts Test Scores (% Proficient)
30-34%
46%
Science Test Scores (% Proficient)
20-24%
37%
Student-Teacher Ratio
15:1
12:1
American Indian
n/a
10%
Asian
n/a
1%
Hispanic
10%
6%
Black
n/a
1%
White
84%
77%
Hawaiian
n/a
n/a
Two or more races
6%
5%
All Ethnic Groups
Graduation Rate
≥95%
86%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
33%
42%
Eligible for Reduced Lunch
10%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MT Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Corvallis High School's ranking?
Corvallis High School is ranked #608 out of 696 schools, which ranks it among the bottom 50% of public schools in Montana.
What schools are Corvallis High School often compared to?
Corvallis High Schoolis often viewed alongside schools like Hamilton High School, Stevensville High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
15-19% of students have achieved math proficiency (compared to the 37% MT state average), while 30-34% of students have achieved reading proficiency (compared to the 46% MT state average).
What is the graduation rate of Corvallis High School?
The graduation rate of Corvallis High School is 95%, which is higher than the Montana state average of 86%.
How many students attend Corvallis High School?
446 students attend Corvallis High School.
What is the racial composition of the student body?
84% of Corvallis High School students are White, 10% of students are Hispanic, and 6% of students are Two or more races.
What is the student-teacher ratio of Corvallis High School?
Corvallis High School has a student ration of 15:1, which is higher than the Montana state average of 12:1.
What grades does Corvallis High School offer ?
Corvallis High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Corvallis High School part of?
Corvallis High School is part of Corvallis K-12 Schools School District.
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