Serving 26 students in grades 9-12, Custer High School ranks in the top 20% of all schools in Montana for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is ≥50% (which is higher than the Montana state average of 37%). The percentage of students achieving proficiency in reading/language arts is <50% (which is higher than the Montana state average of 46%).
The student-teacher ratio of 5:1 is lower than the Montana state level of 12:1.
Minority enrollment is 4% of the student body (majority Asian), which is lower than the Montana state average of 24% (majority American Indian).
Quick Facts (2026-27)
- Grades: 9-12
- Enrollment: 26 students
- Student-Teacher Ratio: 5:1
- Minority Enrollment: 4%
- Graduation Rate: ≥50% (Btm 50% in MT)
- Overall Testing Rank: Top 20%
- Math Proficiency: ≥50% (Top 20%)
- Reading Proficiency: <50% (Top 50%)
- Science Proficiency: <50% (Top 30%)
- Attendance Zone: Custer High School's attendance zone encompasses the entire school district in Custer, MT, covering approximately 454.5 square miles. Families typically face a drive of 20-30 minutes to reach the school, with the furthest edge of the zone located about 27.6 miles away.
- Source: National Center for Education Statistics (NCES), MT Dept. of Education
Top Rankings
Custer High School ranks among the top 20% of public schools in Montana for:
Category
Attribute
Overall Rank
Most improved public schools
Math Proficiency
School Overview
Custer High School's student population of 26 students has declined by 31% over five school years.
The teacher population of 5 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
26 students
Total Classroom Teachers
5 teachers
Year Founded
1905
School Calendar
Campus Size
20 acres
School Motto
Pride, Honesty, Respect, Responsibility
School Rankings
Custer High School ranks within the top 20% of all 696 schools in Montana (based off of combined math and reading proficiency testing data).
The diversity score of Custer High School is 0.08, 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
#138 out of 696 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
≥50%
37%
Reading/Language Arts Test Scores (% Proficient)
<50%
46%
Science Test Scores (% Proficient)
<50%
37%
Student-Teacher Ratio
5:1
12:1
American Indian
n/a
10%
Asian
4%
1%
Hispanic
n/a
7%
Black
n/a
1%
White
96%
76%
Hawaiian
n/a
n/a
Two or more races
n/a
5%
All Ethnic Groups
Graduation Rate
≥50%
86%
Chronically Absent Students
(22-23)11.5%
35.9%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
19%
50%
Eligible for Reduced Lunch
12%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MT Dept. of Education
Frequently Asked Questions
What is Custer High School's ranking?
Custer High School is ranked #138 out of 696 schools, which ranks it among the top 20% of public schools in Montana.
What percent of students have achieved state testing proficiency in math and reading?
≥50% of students have achieved math proficiency (compared to the 37% MT state average), while <50% of students have achieved reading proficiency (compared to the 46% MT state average).
What is the graduation rate of Custer High School?
The graduation rate of Custer High School is 50%, which is lower than the Montana state average of 86%.
How many students attend Custer High School?
26 students attend Custer High School.
What is the racial composition of the student body?
96% of Custer High School students are White, and 4% of students are Asian.
What is the student-teacher ratio of Custer High School?
Custer High School has a student ration of 5:1, which is lower than the Montana state average of 12:1.
What grades does Custer High School offer ?
Custer High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Custer High School part of?
Custer High School is part of Custer K-12 Schools.
School Reviews
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