St. Andrew School
Independent Catholic school · Grades Pre-K–12
Helena, MT
1900 Flowerree St, Helena, MT 59601
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- A+Class size
- A-Years serving families
- B+Diversity
What stands out
- The only Catholic school in Helena
- Smaller classes than 86% of Catholic schools nationwide
- Serving families in Helena since at least 2011
- One school from pre-K through 12th grade
St. Andrew School is an independent Catholic school in Helena, Montana, for students from pre-K through 12th grade. It has about 193 students and around 6 students per teacher, smaller classes than 86% of Catholic schools nationwide. Its enrollment has held steady since 2011–12. The school is part of the Diocese of Helena. The school reports that about 100% of its graduates go on to four-year colleges. Students attend about 7 hours a day, 179 days a year. Montana has programs that can help pay tuition; ask the school whether it takes part.
At a glance
- Grades
- Grades Pre-K–12
- Students
- 193
- Teachers
- 30.4 (full-time equivalent)
- Students per teacher
- 6.3
- Boys and girls
- Coed · 118 girls, 75 boys
- Religious affiliation
- Catholic · Independent Catholic school
- Diocese
- Diocese of Helena
- School day
- About 7 hours
- School year
- 179 days
- Graduates going to 4-year colleges
- About 100% (the school's estimate for the class before the survey)
- Library
- Yes
Reviews
Be the first to share what you love about St. Andrew School.
How it compares
- Smaller classes than 86% of Catholic schools nationwide (6 students per teacher).
- A smaller school: fewer students than 74% of Catholic schools nationwide.
- Compared with 384 Catholic schools nationwide.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Member of
- National Catholic Educational Association
Help paying tuition in Montana
These state programs can help pay private school tuition. Only participating schools can accept them, so ask St. Andrew School whether it takes part.
- Student Scholarship Organization tax credit · Tax-credit scholarship
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. Andrew School
What grades does St. Andrew School serve?
St. Andrew School serves grades Pre-K–12.
How many students attend St. Andrew School?
About 193 students, with 6 students per teacher, according to official records.
How much is tuition at St. Andrew School?
Call the school to ask about tuition, financial aid and payment plans. Montana has programs that can help pay private school tuition; ask whether the school takes part.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
Other private schools nearby
Bloom Montessori School
Montessori school · Grades Pre-K–3
The only Montessori school in Helena
Helena, MT1.7 mi
Mountainside Montessori
Montessori school · Grades Pre-K–K
The only preschool in Helena
Helena, MT1.8 mi
Intermountain
Alternative school · Grades 2–7
Smaller classes than 94% of independent schools nationwide
Helena, MT3.2 mi
Shodair Children's Hospital
Independent school · Grades 7–11
Smaller classes than 68% of independent schools nationwide
Helena, MT4.0 mi
Helena Christian School
Christian school (nondenominational) · Grades Pre-K–12
Growing: enrollment up 22% since 2011–12
East Helena, MT7.3 mi