Serving 110 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 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 Facts (2025-26)
- Grades: 9-12
- Enrollment: 110 students
- Student-Teacher Ratio: 10:1
- Minority Enrollment: 48%
- 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 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
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
110 students
Gender %
Total Classroom Teachers
11 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 0.52, 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
#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
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: 02/09/2025
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?
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 (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
Review Timber Lake High School - 01. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
Texas Schools Enrollment Trends & Policy in 2025
Latest data and policy changes on Texas public school enrollment growth, funding, and virtual education in 2025.
Financial Aid & Hidden Costs in Public Schools
Learn about financial aid and hidden costs in public schools. Discover what parents should budget for beyond tuition-free education.
NYC Schools Still Most Segregated in 2025
Despite reforms, New York City schools remain the most segregated in the U.S. in 2025. Here鈥檚 what parents and educators need to know.
