Serving 17 students in grades Prekindergarten-8, Big Stone School ranks in the top 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 <50% (which is higher than the Montana state average of 46%).
The student-teacher ratio of 9:1 is lower than the Montana state level of 12:1.
Quick Facts (2026)
- Grades: Prekindergarten-8
- Enrollment: 17 students
- Student-Teacher Ratio: 9:1
- Overall Testing Rank: Top 50% in MT
- Math Proficiency: 40-59% (Top 50%)
- Reading Proficiency: <50% (Top 50%)
- Source: National Center for Education Statistics (NCES), MT Dept. of Education
Top Rankings
Big Stone School ranks among the top 20% of public schools in Montana for:
Category
Attribute
Community Size
School Overview
Big Stone School's student population of 17 students has declined by 22% over five school years.
The teacher population of 2 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Prekindergarten-8
(No virtual instruction)
(No virtual instruction)
Total Students
17 students
Total Classroom Teachers
2 teachers
School Rankings
Big Stone School ranks within the top 50% of all 696 schools in Montana (based off of combined math and reading proficiency testing data).
The diversity score of Big Stone School is 0.00, 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
#252 out of 696 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
40-59%
37%
Reading/Language Arts Test Scores (% Proficient)
<50%
46%
Student-Teacher Ratio
9:1
12:1
White
100%
76%
All Ethnic Groups
Chronically Absent Students
(22-23)11.8%
35.9%
Participates in the National School Lunch Program (NSLP)
Yes
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MT Dept. of Education
Frequently Asked Questions
What is Big Stone School's ranking?
Big Stone School is ranked #252 out of 696 schools, which ranks it among the top 50% of public schools in Montana.
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 <50% of students have achieved reading proficiency (compared to the 46% MT state average).
How many students attend Big Stone School?
17 students attend Big Stone School.
What is the racial composition of the student body?
100% of Big Stone School students are White.
What is the student-teacher ratio of Big Stone School?
Big Stone School has a student ration of 9:1, which is lower than the Montana state average of 12:1.
What grades does Big Stone School offer ?
Big Stone School offers enrollment in grades Prekindergarten-8 (No virtual instruction).
What school district is Big Stone School part of?
Big Stone School is part of Centerville Elementary School District.
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