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 top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 35-39% (which is approximately equal to the Montana state average of 35%). 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 Stats (2025)
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
: 35-39% (Top 50%)
Reading Proficiency
: 30-34% (Btm 50%)
Science Proficiency
: 20-24% (Btm 50%)
Source: National Center for Education Statistics (NCES), MT Dept. of Education
Corvallis High School ranks within the bottom 50% of all 722 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.
What percent of students have achieved state testing proficiency in math and reading?
35-39% of students have achieved math proficiency (compared to the 35% 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 (offers virtual instruction).
What school district is Corvallis High School part of?
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Quick Stats (2025)
Grades: 9-12
Enrollment: 446 students
Student:Teacher Ratio: 15:1
Minority Enrollment: 16%
Graduation Rate
: ≥95% (Top 1%)
Overall Testing Rank
: Bottom 50%
Math Proficiency
: 35-39% (Top 50%)
Reading Proficiency
: 30-34% (Btm 50%)
Science Proficiency
: 20-24% (Btm 50%)
Source: National Center for Education Statistics (NCES), MT Dept. of Education
