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St. Marys Schools

300 N 4th St
Oneill, NE 68763

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Tel: (402) 336-4455

www.stmarysoneill.org

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St. Mary's School, located in O'Neill, Nebraska is a Catholic parochial school within the Archdiocese of Omaha school system in Nebraska, United States.

Quick Facts (2026)

Grades: Prekindergarten-12
Enrollment: 218 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)

School Overview

School Membership(s)School Assoc.

National Catholic Educational Association (NCEA)

Religious Affiliation

Catholic

Grades Offered

Grades Prekindergarten-12

Year Founded

1900

Colors

White, Red

School Calendar

View School Calendar

Student Body

Total Students

218 students

Student Body Type

Co-ed

% Students of Color

State avg.: 20%

Students by Grade

Academics and Faculty

Total Classroom Teachers

20 teachers

Student-Teacher Ratio

11:1

National avg.: 11:1

Tuition and Acceptance Rate

Admission Deadline

None / Rolling

Application URL

Online Application

School Notes

School Motto: May My Soul Magnify the Lord!

Source: National Center for Education Statistics (NCES)

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Frequently Asked Questions

When is the application deadline for St. Marys Schools?

The application deadline for St. Marys Schools is rolling (applications are reviewed as they are received year-round).

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Quick Facts (2026)

Grades: Prekindergarten-12
Enrollment: 218 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)

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Did You Know?

The average private school tuition in Nebraska is $6,889 for elementary schools and $10,878 for high schools (read more about average private school tuition across the country).

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