Serving 117 students in grades 9-12, Timber Lake High School - 01 ranks in the top 5% of all schools in South Dakota for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 60-79% (which is higher than 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 13:1 is higher than the South Dakota state level of 12:1.
Minority enrollment is 50% of the student body (majority American Indian), which is higher than the South Dakota state average of 34% (majority American Indian).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 117 students
- Student-Teacher Ratio: 13:1
- Minority Enrollment: 50%
- Graduation Rate: ≥80% (Top 50% in SD)
- Overall Testing Rank: Top 5%
- Math Proficiency: 60-79% (Top 5%)
- 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
Most improved public schools
Math Proficiency
Reading/Language Arts Proficiency
Diversity
School Overview
Timber Lake High School - 01's student population of 117 students has grown by 17% over five school years.
The teacher population of 9 teachers has declined by 25% over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
117 students
Total Classroom Teachers
9 teachers
School Calendar
School Rankings
Timber Lake High School - 01 ranks within the top 5% of all 619 schools in South Dakota (based off of combined math and reading proficiency testing data).
The diversity score of Timber Lake High School - 01 is 0.53, which is equal to the diversity score at state average of 0.53. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#12 out of 619 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
60-79%
42%
Reading/Language Arts Test Scores (% Proficient)
≥80%
51%
Science Test Scores (% Proficient)
40-59%
42%
Student-Teacher Ratio
13:1
12:1
American Indian
47%
14%
Asian
n/a
2%
Hispanic
2%
9%
Black
1%
3%
White
50%
66%
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
25%
34%
Eligible for Reduced Lunch
12%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), SD Dept. of Education
Frequently Asked Questions
What is Timber Lake High School - 01's ranking?
Timber Lake High School - 01 is ranked #12 out of 619 schools, which ranks it among the top 5% of public schools in South Dakota.
What percent of students have achieved state testing proficiency in math and reading?
60-79% 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?
117 students attend Timber Lake High School - 01.
What is the racial composition of the student body?
50% of Timber Lake High School - 01 students are White, 47% of students are American Indian, 2% 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 13:1, which is higher 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 (Supplemental Virtual).
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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