Top Rankings
Timber Lake School District 20-3 ranks among the top 20% of public school district in South Dakota for:
Category
Attribute
Overall Rank
Highest overall rank (Top 10%)
Math Proficiency
Highest math proficiency (Top 10%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 10%)
Diversity
Most diverse schools (Top 1%)
Student Attention
Lowest student:teacher ratio (Top 1%)
For the 2025 school year, there are 3 public schools serving 389 students in Timber Lake School District 20-3. This district's average testing ranking is 10/10, which is in the top 5% of public schools in South Dakota.
Public Schools in Timber Lake School District 20-3 have an average math proficiency score of 67% (versus the South Dakota public school average of 43%), and reading proficiency score of 67% (versus the 51% statewide average).
Minority enrollment is 57% of the student body (majority American Indian), which is more than the South Dakota public school average of 33% (majority American Indian).
Overview
This School District
This State (SD)
# Schools
3 Schools
734 Schools
# Students
389 Students
146,041 Students
# Teachers
39 Teachers
10,645 Teachers
Student : Teacher Ratio
10:1
10:1
Student By Grade
District Rank
Timber Lake School District 20-3, which is ranked within the top 5% of all 146 school districts in South Dakota (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 80% has increased from 50% over five school years.
Overall District Rank
#8 out of 148 school districts
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
67%
42%
Reading/Language Arts Test Scores (% Proficient)
65-69%
51%
Science Test Scores (% Proficient)
45-49%
42%
Graduation Rate
(21-22)≥80%
82%
Students by Ethnicity:
Diversity Score
0.53
0.53
% American Indian
54%
14%
% Asian
n/a
2%
% Hispanic
2%
8%
% Black
n/a
3%
% White
43%
67%
% Hawaiian
n/a
n/a
% Two or more races
1%
6%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $13,671 is higher than the state median of $13,121. The school district revenue/student has declined by 8% over four school years.
The school district's spending/student of $15,599 is higher than the state median of $12,623. The school district spending/student has declined by 8% over four school years.
Total Revenue
$5 MM
$1,916 MM
Spending
$6 MM
$1,844 MM
Revenue / Student
$13,671
$13,121
Spending / Student
$15,599
$12,623
Best Timber Lake School District 20-3 Public Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Timber Lake High School - 01
(Math: 60-79% | Reading: ≥80%)
Rank:
Rank:
10/
Top 5%10
500 Main St
Timber Lake, SD 57656
(605) 865-3654
Timber Lake, SD 57656
(605) 865-3654
Grades: 9-12
| 110 students
Rank: #22.
Timber Lake Elementary - 02
(Math: 70-74% | Reading: 60-64%)
Rank:
Rank:
10/
Top 10%10
500 Main St
Timber Lake, SD 57656
(605) 865-3654
Timber Lake, SD 57656
(605) 865-3654
Grades: PK-5
| 198 students
Rank: #33.
Timber Lake Middle School - 03
(Math: 60-64% | Reading: 65-69%)
Rank:
Rank:
9/
Top 20%10
500 Main St
Timber Lake, SD 57656
(605) 865-3654
Timber Lake, SD 57656
(605) 865-3654
Grades: 6-8
| 81 students
Frequently Asked Questions
How many schools belong to Timber Lake School District 20-3?
Timber Lake School District 20-3 manages 3 public schools serving 389 students.
What is the rank of Timber Lake School District 20-3?
Timber Lake School District 20-3 is ranked #7 out of 146 school districts in South Dakota (top 5%) based off of combined math and reading proficiency testing data for the 2022-2023 school year. This district ranks in the top 20% of South Dakota school districts for: Highest overall rank (Top 10%), Highest math proficiency (Top 10%), Highest reading/language arts proficiency (Top 10%), Most diverse schools (Top 1%) and Lowest student:teacher ratio (Top 1%)
What is the racial composition of students in Timber Lake School District 20-3?
54% of Timber Lake School District 20-3 students are American Indian, 43% of students are White, 2% of students are Hispanic, and 1% of students are Two or more races.
What is the student/teacher ratio of Timber Lake School District 20-3?
Timber Lake School District 20-3 has a student/teacher ratio of 10:1, which is lower than the South Dakota state average of 14:1.
What is Timber Lake School District 20-3's spending/student ratio?
The school district's spending/student of $15,599 is higher than the state median of $12,623. The school district spending/student has declined by 8% over four school years.
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