For the 2026 school year, there are 3 private schools serving 237 students in Winneshiek County, IA (there are 8 public schools, serving 2,100 public students). 10% of all K-12 students in Winneshiek County, IA are educated in private schools (compared to the IA state average of 10%).
The top-ranked private school in Winneshiek County, IA is Northeast Iowa Montessori School.
33% of private schools in Winneshiek County, IA are religiously affiliated (most commonly Catholic).
Top-Ranked Winneshiek County Private Schools (2026)
School
Location
Quick Facts
Northeast Iowa Montessori School
Montessori School
604 South Ave
Decorah, IA 52101
(563) 382-6491
Decorah, IA 52101
(563) 382-6491
Gr: NS-7 | 30 students Tuition listed
Crossroads Academy
Special Education School
107 Vernon St
Decorah, IA 52101
(563) 382-6356
Decorah, IA 52101
(563) 382-6356
Gr: 1-12 | 29 students
Winneshiek County Private Schools (Closed)
School
Location
Quick Facts
Cfs Catholic School (Closed 2016)
(Catholic)
302 S Maryville St
Calmar, IA 52132
(563) 562-3291
Calmar, IA 52132
(563) 562-3291
Gr: PK-8 | 158 students
De Sales School (Closed 2016)
(Catholic)
414 E Main St
Ossian, IA 52161
(563) 532-9353
Ossian, IA 52161
(563) 532-9353
Gr: PK-8 | 114 students Avg. class size: 10 students Tuition & acceptance rate listed
Overview
This County (Winneshiek County)
This State (IA)
# Schools
3 Schools
Student Body:
# Students
237 Students
52,698 Students
% Average Students of Color
4%
16%
Academics and Faculty:
# Teachers
29 Teachers
4,274 Teachers
Average Student-Teacher Ratio
8:1
12:1
% Average Faculty w/Advanced Degree
75%
40%
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$7,110
$9,284
Students by Ethnicity:
Diversity Score
0.39
0.48
# American Indian Students
n/a
116 Students
% American Indian Students
n/a
n/a
# Asian Students
1 Student
1,075 Students
% Asian Students
n/a
2%
# Hispanic Students
4 Students
3,392 Students
% Hispanic Students
2%
7%
# Black Students
n/a
1,537 Students
% Black Students
n/a
3%
# White Students
155 Students
36,965 Students
% White Students
75%
70%
# Hawaiian Students
n/a
98 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
47 Students
9,624 Students
% of Others Students
23%
18%
All Ethnic Groups
Extracurriculars and Sports:
Frequently Asked Questions
What are the top-ranked private schools in Winneshiek County, IA?
The top-ranked private schools in Winneshiek County, IA is Northeast Iowa Montessori School.
How many private schools are located in Winneshiek County?
3 private schools are located in Winneshiek County.
What percentage of students in Winneshiek County go to private school?
10% of all K-12 students in Winneshiek County are educated in private schools (compared to the IA state average of 10%).
What percentage of private schools are religiously affiliated in Winneshiek County?
33% of private schools in Winneshiek County are religiously affiliated (most commonly Catholic).
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