St. Marys Schools
Parish school · Grades Pre-K–12
O'Neill, NE
300 N 4th St, O'Neill, NE 68763
Overall grade: B
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- AClass size
- B+College-going
- BYears serving families
- B-Diversity
What stands out
- Smaller classes than 76% of Catholic schools in Nebraska
- One school from pre-K through 12th grade
In O'Neill, Nebraska, St. Marys Schools is a Catholic parish school for students from pre-K through 12th grade. About 186 students attend, with roughly 7 students per teacher, smaller classes than 76% of Catholic schools in Nebraska. The school is part of the Archdiocese of Omaha. The school reports that about 75% of its graduates go on to four-year colleges. The school day runs about 7.5 hours, 182 days a year.
At a glance
- Grades
- Grades Pre-K–12
- Students
- 186
- Teachers
- 25.9 (full-time equivalent)
- Students per teacher
- 7.2
- Boys and girls
- Coed · 96 girls, 90 boys
- Religious affiliation
- Catholic · Parish school
- Diocese
- Archdiocese of Omaha
- School day
- About 7.5 hours
- School year
- 182 days
- Graduates going to 4-year colleges
- About 75% (the school's estimate for the class before the survey)
- Library
- Yes
Reviews
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How it compares
- Smaller classes than 76% of Catholic schools in Nebraska (7 students per teacher).
- A smaller school: fewer students than 82% of Catholic schools in Nebraska.
- Compared with 17 Catholic schools in Nebraska.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Member of
- National Catholic Educational Association
Questions to ask on a tour
- What is tuition, and what does it include (books, fees, uniforms, trips)?
- Do you offer financial aid, sibling discounts or payment plans?
- Do you accept ESA, voucher or tax-credit scholarship funds?
- How big are classes in my child's grade?
- What support is there for students who need extra help or more challenge?
- Is the school accredited, and by whom?
- What do a typical day and a typical week look like?
- How does the school communicate with families?
Questions about St. Marys Schools
What grades does St. Marys Schools serve?
St. Marys Schools serves grades Pre-K–12.
How many students attend St. Marys Schools?
About 186 students, with 7 students per teacher, according to official records.
How much is tuition at St. Marys Schools?
Call the school to ask about tuition, financial aid and payment plans.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
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St. Mary's Catholic School
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