Flandreau Indian Boarding School serves 149 students in grades 9-12.
The percentage of students achieving proficiency in math is ≤20% (which is lower than the South Dakota state average of 42%). The percentage of students achieving proficiency in reading/language arts is ≤20% (which is lower than the South Dakota state average of 51%).
The student-teacher ratio of 15:1 is higher than the South Dakota state level of 12:1.
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 149 students
- Student-Teacher Ratio: 15:1
- Graduation Rate: 40-49%
- Math Proficiency: ≤20%
- Reading Proficiency: ≤20%
- Science Proficiency: ≤20%
- Source: National Center for Education Statistics (NCES), SD Dept. of Education
Top Rankings
Flandreau Indian Boarding School ranks among the top 20% of public schools in South Dakota for:
Category
Attribute
Percent Eligible For Free Lunch
School Overview
Flandreau Indian Boarding School's student population of 149 students has declined by 5% over five school years.
The teacher population of 10 teachers has declined by 33% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
149 students
Total Classroom Teachers
10 teachers
School Calendar
School Rankings
The diversity score of Flandreau Indian Boarding School is 0.00, which is less than the diversity score at state average of 0.53. The school's diversity has stayed relatively flat over five school years.
Math Test Scores (% Proficient)
≤20%
42%
Reading/Language Arts Test Scores (% Proficient)
≤20%
51%
Science Test Scores (% Proficient)
≤20%
42%
Student-Teacher Ratio
15:1
12:1
American Indian
100%
14%
Asian
n/a
2%
Hispanic
n/a
9%
Black
n/a
3%
White
n/a
66%
Hawaiian
n/a
n/a
Two or more races
n/a
6%
All Ethnic Groups
Graduation Rate
40-49%
82%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
98%
34%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), SD Dept. of Education
Frequently Asked Questions
What percent of students have achieved state testing proficiency in math and reading?
≤20% of students have achieved math proficiency (compared to the 42% SD state average), while ≤20% of students have achieved reading proficiency (compared to the 51% SD state average).
What is the graduation rate of Flandreau Indian Boarding School?
The graduation rate of Flandreau Indian Boarding School is 40-49%, which is lower than the South Dakota state average of 82%.
How many students attend Flandreau Indian Boarding School?
149 students attend Flandreau Indian Boarding School.
What is the racial composition of the student body?
100% of Flandreau Indian Boarding School students are American Indian.
What is the student-teacher ratio of Flandreau Indian Boarding School?
Flandreau Indian Boarding School has a student ration of 15:1, which is higher than the South Dakota state average of 12:1.
What grades does Flandreau Indian Boarding School offer ?
Flandreau Indian Boarding School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Flandreau Indian Boarding School part of?
Flandreau Indian Boarding School is part of Flandreau Indian Boarding School District.
School Reviews
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