For the 2026 school year, there is 1 private school serving 125 students in Clay County, SD (there are 6 public schools, serving 1,062 public students). 11% of all K-12 students in Clay County, SD are educated in private schools (compared to the SD state average of 9%).
100% of private schools in Clay County, SD are religiously affiliated (most commonly Catholic).
Private Schools in Clay County (2026)
School
Location
Quick Facts
St. Agnes Elementary School
(Catholic)
909 Lewis St
Vermillion, SD 57069
(605) 624-4144
Vermillion, SD 57069
(605) 624-4144
Gr: PK-5 | 125 students Tuition listed
Overview
This County (Clay County)
This State (SD)
# Schools
1 School
Student Body:
# Students
125 Students
15,075 Students
% Average Students of Color
5%
21%
Academics and Faculty:
# Teachers
9 Teachers
1,229 Teachers
Average Student-Teacher Ratio
14:1
12:1
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$25,000
$6,448
Students by Ethnicity:
Diversity Score
0.45
0.59
# American Indian Students
5 Students
1,727 Students
% American Indian Students
4%
11%
# Asian Students
n/a
161 Students
% Asian Students
n/a
1%
# Hispanic Students
n/a
468 Students
% Hispanic Students
n/a
3%
# Black Students
n/a
245 Students
% Black Students
n/a
2%
# White Students
87 Students
9,019 Students
% White Students
70%
59%
# Hawaiian Students
n/a
99 Students
% Hawaiian Students
n/a
1%
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
33 Students
3,562 Students
% of Others Students
26%
23%
All Ethnic Groups
Extracurriculars and Sports:
Frequently Asked Questions
How many private schools are located in Clay County, SD?
1 private schools are located in Clay County, SD.
What percentage of students in Clay County go to private school?
11% of all K-12 students in Clay County are educated in private schools (compared to the SD state average of 9%).
What percentage of private schools are religiously affiliated in Clay County?
100% of private schools in Clay County are religiously affiliated (most commonly Catholic).
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