Turtle Mountain High School serves 541 students in grades 9-12.
The percentage of students achieving proficiency in math is 10-14% (which is lower than the North Dakota state average of 39%). The percentage of students achieving proficiency in reading/language arts is 10-14% (which is lower than the North Dakota state average of 44%).
The student-teacher ratio of 20:1 is higher than the North Dakota state level of 10:1.
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 541 students
- Student-Teacher Ratio: 20:1
- Graduation Rate: 75-79%
- Math Proficiency: 10-14%
- Reading Proficiency: 10-14%
- Science Proficiency: 15-19%
- Source: National Center for Education Statistics (NCES), ND Dept. of Education
Top Rankings
Turtle Mountain High School ranks among the top 20% of public schools in North Dakota for:
Category
Attribute
Percent Eligible For Free Lunch
School Overview
Turtle Mountain High School's student population of 541 students has grown by 13% over five school years.
The teacher population of 27 teachers has declined by 43% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
541 students
Total Classroom Teachers
27 teachers
Year Founded
1931
School Calendar
School Motto
Prepare students for a changing world while preserving our culture and heritage.
School Rankings
The diversity score of Turtle Mountain High School is 0.00, which is less than the diversity score at state average of 0.50. The school's diversity has stayed relatively flat over five school years.
Math Test Scores (% Proficient)
10-14%
39%
Reading/Language Arts Test Scores (% Proficient)
10-14%
44%
Science Test Scores (% Proficient)
15-19%
44%
Student-Teacher Ratio
20:1
10:1
American Indian
100%
11%
Asian
n/a
1%
Hispanic
n/a
8%
Black
n/a
5%
White
n/a
70%
Hawaiian
n/a
n/a
Two or more races
n/a
5%
All Ethnic Groups
Graduation Rate
75-79%
85%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
99%
27%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), ND Dept. of Education
Frequently Asked Questions
What percent of students have achieved state testing proficiency in math and reading?
10-14% of students have achieved math proficiency (compared to the 39% ND state average), while 10-14% of students have achieved reading proficiency (compared to the 44% ND state average).
What is the graduation rate of Turtle Mountain High School?
The graduation rate of Turtle Mountain High School is 75-79%, which is lower than the North Dakota state average of 85%.
How many students attend Turtle Mountain High School?
541 students attend Turtle Mountain High School.
What is the racial composition of the student body?
100% of Turtle Mountain High School students are American Indian.
What is the student-teacher ratio of Turtle Mountain High School?
Turtle Mountain High School has a student ration of 20:1, which is higher than the North Dakota state average of 10:1.
What grades does Turtle Mountain High School offer ?
Turtle Mountain High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Turtle Mountain High School part of?
Turtle Mountain High School is part of Turtle Mountain High School District.
School Reviews
5 10/10/2025
Very good schools. I think highly of Turtle Mountain Middle School.
Review Turtle Mountain High School. Reviews should be a few sentences in length. Please include any comments on:
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