Colstrip High School is the only high school in the city of Colstrip, Montana, located in the United States. It has one of the largest bus districts in the nation, including locations as far away as Ashland, Montana.
Serving 155 students in grades 9-12, Colstrip 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 21-39% (which is approximately equal to the Montana state average of 37%). The percentage of students achieving proficiency in reading/language arts is 20-29% (which is lower than the Montana state average of 46%).
The student-teacher ratio of 9:1 is lower than the Montana state level of 12:1.
Minority enrollment is 50% of the student body (majority American Indian), which is higher than the Montana state average of 24% (majority American Indian).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 155 students
- Student-Teacher Ratio: 9:1
- Minority Enrollment: 50%
- Graduation Rate: 80-89% (Top 30% in MT)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 21-39% (Btm 50%)
- Reading Proficiency: 20-29% (Btm 50%)
- Science Proficiency: ≤10% (Btm 50%)
- Attendance Zone: Colstrip High School serves the entire district of Colstrip, MT, encompassing an attendance zone of approximately 653.4 square miles. Families can expect a typical drive of 20 to 30 minutes to reach the school, with the furthest edge located about 21.8 miles away.
- Source: National Center for Education Statistics (NCES), MT Dept. of Education
School Overview
Colstrip High School's student population of 155 students has stayed relatively flat over five school years.
The teacher population of 18 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
155 students
Total Classroom Teachers
18 teachers
Year Founded
1924
Colors
Black, Gold, Kelly green
School Calendar
School Rankings
Colstrip 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 Colstrip High School is 0.65, which is more 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
#577 out of 696 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
21-39%
37%
Reading/Language Arts Test Scores (% Proficient)
20-29%
46%
Science Test Scores (% Proficient)
≤10%
37%
Student-Teacher Ratio
9:1
12:1
American Indian
30%
10%
Asian
2%
1%
Hispanic
8%
7%
Black
n/a
1%
White
50%
76%
Hawaiian
n/a
n/a
Two or more races
10%
5%
All Ethnic Groups
Graduation Rate
80-89%
86%
Chronically Absent Students
(22-23)27.1%
35.9%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
32%
50%
Eligible for Reduced Lunch
7%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MT Dept. of Education
School Notes
- School Mascot: Colts
Frequently Asked Questions
What is Colstrip High School's ranking?
Colstrip High School is ranked #577 out of 696 schools, which ranks it among the bottom 50% of public schools in Montana.
What percent of students have achieved state testing proficiency in math and reading?
21-39% of students have achieved math proficiency (compared to the 37% MT state average), while 20-29% of students have achieved reading proficiency (compared to the 46% MT state average).
What is the graduation rate of Colstrip High School?
The graduation rate of Colstrip High School is 80-89%, which is lower than the Montana state average of 86%.
How many students attend Colstrip High School?
155 students attend Colstrip High School.
What is the racial composition of the student body?
50% of Colstrip High School students are White, 30% of students are American Indian, 10% of students are Two or more races, 8% of students are Hispanic, and 2% of students are Asian.
What is the student-teacher ratio of Colstrip High School?
Colstrip High School has a student ration of 9:1, which is lower than the Montana state average of 12:1.
What grades does Colstrip High School offer ?
Colstrip High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Colstrip High School part of?
Colstrip High School is part of Colstrip High School District.
School Reviews
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