Serving 133 students in grades 9-12, Plains 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 20-29% (which is lower than the Montana state average of 37%). The percentage of students achieving proficiency in reading/language arts is 21-39% (which is lower than the Montana state average of 46%).
The student-teacher ratio of 12:1 is equal to the Montana state level of 12:1.
Minority enrollment is 10% of the student body (majority Hispanic), which is lower than the Montana state average of 23% (majority American Indian).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 133 students
- Student-Teacher Ratio: 12:1
- Minority Enrollment: 10%
- Graduation Rate: ≥80% (Top 50% in MT)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 20-29% (Btm 50%)
- Reading Proficiency: 21-39% (Btm 50%)
- Science Proficiency: ≤20% (Btm 50%)
- Source: National Center for Education Statistics (NCES), MT Dept. of Education
School Overview
Plains High School's student population of 133 students has declined by 11% over five school years.
The teacher population of 11 teachers has grown by 10% over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
133 students
Gender %
Total Classroom Teachers
11 teachers
School Calendar
School Rankings
Plains 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 Plains High School is 0.19, 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
#582 out of 696 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
20-29%
37%
Reading/Language Arts Test Scores (% Proficient)
21-39%
46%
Science Test Scores (% Proficient)
≤20%
37%
Student-Teacher Ratio
12:1
12:1
American Indian
2%
10%
Asian
n/a
1%
Hispanic
5%
6%
Black
n/a
1%
White
90%
77%
Hawaiian
n/a
n/a
Two or more races
3%
5%
All Ethnic Groups
Graduation Rate
≥80%
86%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
35%
42%
Eligible for Reduced Lunch
11%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MT Dept. of Education
Frequently Asked Questions
What is Plains High School's ranking?
Plains High School is ranked #582 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?
20-29% of students have achieved math proficiency (compared to the 37% MT state average), while 21-39% of students have achieved reading proficiency (compared to the 46% MT state average).
What is the graduation rate of Plains High School?
The graduation rate of Plains High School is 80%, which is lower than the Montana state average of 86%.
How many students attend Plains High School?
133 students attend Plains High School.
What is the racial composition of the student body?
90% of Plains High School students are White, 5% of students are Hispanic, 3% of students are Two or more races, and 2% of students are American Indian.
What is the student-teacher ratio of Plains High School?
Plains High School has a student ration of 12:1, which is equal to the Montana state average of 12:1.
What grades does Plains High School offer ?
Plains High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Plains High School part of?
Plains High School is part of Plains K-12 School District.
School Reviews
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