Serving 42 students in grades Prekindergarten-6, Custer 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 40-59% (which is higher than the Montana state average of 37%). The percentage of students achieving proficiency in reading/language arts is 30-39% (which is lower than the Montana state average of 46%).
The student-teacher ratio of 7:1 is lower than the Montana state level of 12:1.
Minority enrollment is 2% of the student body (majority Black and Hispanic), which is lower than the Montana state average of 23% (majority American Indian).
Quick Facts (2025)
- Grades: Prekindergarten-6
- Enrollment: 42 students
- Student-Teacher Ratio: 7:1
- Minority Enrollment: 2%
- Overall Testing Rank: Bottom 50% in MT
- Math Proficiency: 40-59% (Top 50%)
- Reading Proficiency: 30-39% (Btm 50%)
- Science Proficiency: <50% (Top 30%)
- Source: National Center for Education Statistics (NCES), MT Dept. of Education
School Overview
Custer School's student population of 42 students has declined by 25% over five school years.
The teacher population of 6 teachers has grown by 20% over five school years.
Grades Offered
Grades Prekindergarten-6
(No virtual instruction)
(No virtual instruction)
Total Students
42 students
Gender %
Total Classroom Teachers
6 teachers
Year Founded
1905
School Calendar
Last Day of School
Mon. May 25, 2026
School Rankings
Custer 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 Custer School is 0.04, 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
#367 out of 696 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
40-59%
37%
Reading/Language Arts Test Scores (% Proficient)
30-39%
46%
Science Test Scores (% Proficient)
<50%
37%
Student-Teacher Ratio
7:1
12:1
American Indian
n/a
10%
Asian
n/a
1%
Hispanic
n/a
6%
Black
n/a
1%
White
98%
77%
Hawaiian
n/a
n/a
Two or more races
2%
5%
All Ethnic Groups
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
29%
42%
Eligible for Reduced Lunch
17%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MT Dept. of Education
Frequently Asked Questions
What is Custer School's ranking?
Custer School is ranked #367 out of 696 schools, which ranks it among the bottom 50% of public schools in Montana.
What schools are Custer School often compared to?
Custer Schoolis often viewed alongside schools like Elysian Middle School, Blue Creek School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
40-59% of students have achieved math proficiency (compared to the 37% MT state average), while 30-39% of students have achieved reading proficiency (compared to the 46% MT state average).
How many students attend Custer School?
42 students attend Custer School.
What is the racial composition of the student body?
98% of Custer School students are White, and 2% of students are Two or more races.
What is the student-teacher ratio of Custer School?
Custer School has a student ration of 7:1, which is lower than the Montana state average of 12:1.
What grades does Custer School offer ?
Custer School offers enrollment in grades Prekindergarten-6 (No virtual instruction).
What school district is Custer School part of?
Custer School is part of Custer K-12 Schools School District.
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