St. Mary's School (Top Ranked Private School for 2026-27)

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Quick Facts (26-27)

Top Ranked IA School
Grades: Prekindergarten-12
Enrollment: 192 students
Average class size: 13 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)

School Rankings

St. Mary's School ranks among the top 20% of private schools in Iowa for:

School Facts

Religious Affiliation

Catholic

Grades Offered

Grades Prekindergarten-12

Students By Grade

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Distribution of Students By Grade

Grade	St. Mary's School
Pre-K	16
Kind	27
1	20
2	10
3	10
4	19
6	17
7	8
9	18
10	18
11	16
12	13

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Kindergarten is largest at 27 students, making it the biggest grade by a clear margin at St. Mary's School.

Year Founded

1902

Student Body

Total Students

192 students

Student Body Type

Co-ed

% Students of Color

State avg.: 16%

Academic Profile

Total Classroom Teachers

26 teachers

Student-Teacher Ratio

7:1

National avg.: 11:1

Average Class Size

13 students

School Membership(s)School Assoc.

National Catholic Educational Association (NCEA)

Tuition & Financial Aid

Admission Deadline

None / Rolling

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Sports

Colors

White, Royal blue

School Mascot

Hawks

School Notes

St. Mary's High School provides a God-centered atmosphere that allows students to develop their knowledge of the Catholic faith and to live that faith in their personal lives.
As Christians, we proclaim counter-cultural values and teach respect for God, all people, and all creation.
We instill moral values in our students and encourage one another to foster stewardship of the gifts God has given each of us.
The philosophy of St. Mary's High School is based on Biblical teachings, culminating in the life, death, and resurrection of Jesus Christ and continuing through current Catholic Church teachings.
Our school complements the family by promoting the holistic education of each student, focusing on spiritual, scholastic, and social development.
Our educational system helps each student to gain a broad base of knowledge and experience across all curriculum areas.
In order to prepare individual students to be citizens of a global community, we stress effective communication, physical well-being, advanced technological skills, responsible decision making, higher-level thinking, individual creativity, and the ability to access and interpret information.
Since education is ongoing, we approach these essential skills as part of a lifelong process.

St. Mary's High School provides a God-centered atmosphere that allows students to develop their knowledge of the Catholic faith and to live that faith in their personal lives. As Christians, we proclaim counter-cultural values and teach respect for God, all people, and all creation. We instill moral values in our students and encourage one another to foster stewardship of the gifts God has given each of us. The philosophy of St. Mary's High School is based on Biblical teachings, culminating in the life, death, and resurrection of Jesus Christ and continuing through current Catholic Church teachings. Our school complements the family by promoting the holistic education of each student, focusing on spiritual, scholastic, and social development. Our educational system helps each student to gain a broad base of knowledge and experience across all curriculum areas. In order to prepare individual students to be citizens of a global community, we stress effective communication, physical well-being, advanced technological skills, responsible decision making, higher-level thinking, individual creativity, and the ability to access and interpret information. Since education is ongoing, we approach these essential skills as part of a lifelong process.

Source: National Center for Education Statistics (NCES)

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Frequently Asked Questions

What is St. Mary's School's ranking?

St. Mary's School ranks among the top 20% of private schools in Iowa for: Oldest founding date.

When is the application deadline for St. Mary's School?

The application deadline for St. Mary's School is rolling (applications are reviewed as they are received year-round).

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Did You Know?

The average private school tuition in Iowa is $7,557 for elementary schools and $10,188 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Iowa is 91% (read more about average acceptance rates across the country).