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 2025-26 school year, there is 1 public middle school serving 81 students in Timber Lake School District 20-3. This district's average middle testing ranking is 10/10, which is in the top 5% of public middle schools in South Dakota.
Public Middle School in Timber Lake School District 20-3 have an average math proficiency score of 62% (versus the South Dakota public middle school average of 39%), and reading proficiency score of 67% (versus the 49% statewide average).
Minority enrollment is 53% of the student body (majority American Indian), which is more than the South Dakota public middle school average of 42% (majority American Indian).
Overview
This School District
This State (SD)
# Schools
3 Schools
295 Schools
# Students
389 Students
40,126 Students
# Teachers
39 Teachers
2,993 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
0.59
% American Indian
54%
26%
% Asian
n/a
1%
% Hispanic
2%
7%
% Black
n/a
3%
% White
43%
58%
% Hawaiian
n/a
n/a
% Two or more races
1%
5%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $13,671 is higher than the state median of $13,146. 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 $12,647. 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
$13,146
Spending / Student
$15,599
$12,647
Best Timber Lake School District 20-3 Public Middle Schools (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
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
Gr: 6-8 | 81 students Student-teacher ratio: 9:1 Minority enrollment: 53%
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