Serving 110 students in grades 9-12, Timber Lake High School - 01 ranks in the top 20% of all schools in South Dakota 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 approximately equal to the South Dakota state average of 42%). The percentage of students achieving proficiency in reading/language arts is ≥80% (which is higher than the South Dakota state average of 51%).
The student:teacher ratio of 10:1 is lower than the South Dakota state level of 12:1.
Minority enrollment is 48% of the student body (majority American Indian), which is higher than the South Dakota state average of 33% (majority American Indian).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 110 students
- Student:Teacher Ratio: 10:1
- Minority Enrollment: 48%
- Graduation Rate: ≥80% (Top 30% in SD)
- Overall Testing Rank: Top 20%
- Math Proficiency: 40-59% (Top 50%)
- Reading Proficiency: ≥80% (Top 5%)
- Science Proficiency: 40-59% (Top 50%)
- Source: National Center for Education Statistics (NCES), SD Dept. of Education
Top Rankings
Timber Lake High School - 01 ranks among the top 20% of public schools in South Dakota for:
Category
Attribute
Overall Rank
Reading/Language Arts Proficiency
Diversity
School Overview
Timber Lake High School - 01's student population of 110 students has grown by 15% over five school years.
The teacher population of 11 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(offers virtual instruction)
(offers virtual instruction)
Total Students
110 students

Gender %

Total Classroom Teachers
11 teachers

Students by Grade

School Rankings
Timber Lake High School - 01 ranks within the top 20% of all 636 schools in South Dakota (based off of combined math and reading proficiency testing data).
The diversity score of Timber Lake High School - 01 is 0.52, 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.
Overall Testing Rank
#113 out of 636 schools
(Top 20%)
(Top 20%)

Math Test Scores (% Proficient)
40-59%
42%

Reading/Language Arts Test Scores (% Proficient)
≥80%
51%

Science Test Scores (% Proficient)
40-59%
42%

Student : Teacher Ratio
10:1
12:1

American Indian
46%
14%

Asian
n/a
2%

Hispanic
1%
8%

Black
1%
3%

White
52%
67%

Hawaiian
n/a
n/a
Two or more races
n/a
6%
All Ethnic Groups



Graduation Rate
≥80%
82%

Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
29%
31%

Eligible for Reduced Lunch
13%
6%

School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), SD Dept. of Education
Profile last updated:
Frequently Asked Questions
What is Timber Lake High School - 01's ranking?
Timber Lake High School - 01 is ranked #113 out of 636 schools, which ranks it among the top 20% of public schools in South Dakota.
What percent of students have achieved state testing proficiency in math and reading?
40-59% of students have achieved math proficiency (compared to the 42% SD state average), while ≥80% of students have achieved reading proficiency (compared to the 51% SD state average).
What is the graduation rate of Timber Lake High School - 01?
The graduation rate of Timber Lake High School - 01 is 80%, which is lower than the South Dakota state average of 82%.
How many students attend Timber Lake High School - 01?
110 students attend Timber Lake High School - 01.
What is the racial composition of the student body?
52% of Timber Lake High School - 01 students are White, 46% of students are American Indian, 1% of students are Hispanic, and 1% of students are Black.
What is the student:teacher ratio of Timber Lake High School - 01?
Timber Lake High School - 01 has a student ration of 10:1, which is lower than the South Dakota state average of 12:1.
What grades does Timber Lake High School - 01 offer ?
Timber Lake High School - 01 offers enrollment in grades 9-12 (offers virtual instruction).
What school district is Timber Lake High School - 01 part of?
Timber Lake High School - 01 is part of Timber Lake School District 20-3.
School Reviews
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