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 20%)
Math Proficiency
Highest math proficiency (Top 20%)
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 10% of public schools in South Dakota.
Public Schools in Timber Lake School District 20-3 have an average math proficiency score of 57% (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
District Rank
Timber Lake School District 20-3, which is ranked within the top 10% of all 146 school districts in South Dakota (based off of combined math and reading proficiency testing data) for the 2021-2022 school year.
The school district's graduation rate of 80% has increased from 50% over five school years.
Overall District Rank
#15 out of 148 school districts
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
55-59%
42%
Reading/Language Arts Test Scores (% Proficient)
65-69%
51%
Science Test Scores (% Proficient)
45-49%
42%
Graduation Rate
≥80%
82%
Students by Ethnicity:
Diversity Score
0.53
0.53
# American Indian Students
210 Students
20,873 Students
% American Indian Students
54%
14%
# Asian Students
n/a
2,252 Students
% Asian Students
n/a
2%
# Hispanic Students
7 Students
11,917 Students
% Hispanic Students
2%
8%
# Black Students
1 Student
4,730 Students
% Black Students
n/a
3%
# White Students
168 Students
97,780 Students
% White Students
43%
67%
# Hawaiian Students
n/a
197 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
3 Students
8,292 Students
% of Two or more races Students
1%
6%
Students by Grade:
# Students in PK Grade:
21
3,175
# Students in K Grade:
43
11,936
# Students in 1st Grade:
22
10,796
# Students in 2nd Grade:
29
10,955
# Students in 3rd Grade:
26
10,445
# Students in 4th Grade:
28
10,671
# Students in 5th Grade:
29
10,790
# Students in 6th Grade:
27
10,961
# Students in 7th Grade:
20
11,058
# Students in 8th Grade:
34
11,237
# Students in 9th Grade:
28
12,230
# Students in 10th Grade:
33
11,381
# Students in 11th Grade:
28
10,546
# Students in 12th Grade:
21
9,860
# Ungraded Students:
-
-
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 Elementary - 02
(Math: 70-74% | Reading: 60-64%)
Rank:
Rank:
9/
Top 20%10
500 Main St
Timber Lake, SD 57656
(605) 865-3654
Timber Lake, SD 57656
(605) 865-3654
Grades: PK-5
| 198 students
Rank: #22.
Timber Lake High School - 01
(Math: 40-59% | Reading: ≥80%)
Rank:
Rank:
9/
Top 20%10
500 Main St
Timber Lake, SD 57656
(605) 865-3654
Timber Lake, SD 57656
(605) 865-3654
Grades: 9-12
| 110 students
Rank: #33.
Timber Lake Middle School - 03
(Math: 45-49% | Reading: 65-69%)
Rank:
Rank:
8/
Top 30%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 #13 out of 146 school districts in South Dakota (top 10%) based off of combined math and reading proficiency testing data for the 2021-2022 school year. This district ranks in the top 20% of South Dakota school districts for: Highest overall rank (Top 20%), Highest math proficiency (Top 20%), 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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