ChooseAPrivateSchool.com Español

Rosati-Kain High School

Independent Catholic school · Grades 9–12

Saint Louis, MO

4389 Lindell Blvd, Saint Louis, MO 63108

Overall grade: A+

ChooseAPrivateSchool.com grade, from official facts compared with similar schools.

  • A+Class size
  • ACollege-going
  • A-Years serving families
  • A+Diversity

What stands out

  • Smaller classes than 87% of Catholic schools in Missouri
  • One of the most diverse private schools in Missouri
  • 95% of graduates go to four-year colleges
  • Serving families in Saint Louis since at least 2011

In Saint Louis, Missouri, Rosati-Kain High School is an independent Catholic school for students from 9th grade through 12th grade. About 127 students attend, with roughly 8 students per teacher, smaller classes than 87% of Catholic high schools in Missouri. It has been listed in official private school records since 2011–12. The school is an all-girls school and is part of the Archdiocese of St. Louis. The school reports that about 95% of its graduates go on to four-year colleges. The school day runs about 6.5 hours, 176 days a year. Missouri has programs that can help pay tuition; ask the school whether it takes part.

At a glance

Grades
Grades 9–12
Students
127
Teachers
16.3 (full-time equivalent)
Students per teacher
7.8
Boys and girls
All girls
Religious affiliation
Catholic · Independent Catholic school
School day
About 6.5 hours
School year
176 days
Graduates going to 4-year colleges
About 95% (the school's estimate for the class before the survey)
Library
Yes

Reviews

Be the first to share what you love about Rosati-Kain High School.

    How it compares

    • Smaller classes than 87% of Catholic high schools in Missouri (8 students per teacher).
    • A smaller school: fewer students than 91% of Catholic high schools in Missouri.
    • Compared with 23 Catholic high schools in Missouri.

    Students by survey year

    408’11–12360’13–14290’15–16275’17–18278’19–20249’21–22127’23–24

    Total students reported in official records since 2011–12.

    Students by grade

    927
    107
    1150
    1243

    Student body

    Black40%
    White35%
    Hispanic or Latino11%
    Two or more races8%
    Asian5%
    American Indian or Alaska Native1%

    Help paying tuition in Missouri

    These state programs can help pay private school tuition. Only participating schools can accept them, so ask Rosati-Kain High School whether it takes part.

    More about Missouri's programs →

    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?

    More questions to ask →

    Questions about Rosati-Kain High School

    What grades does Rosati-Kain High School serve?

    Rosati-Kain High School serves grades 9–12.

    How many students attend Rosati-Kain High School?

    About 127 students, with 8 students per teacher, according to official records.

    How much is tuition at Rosati-Kain High School?

    Call the school to ask about tuition, financial aid and payment plans. Missouri 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

    Guidepost Montessori School

    Montessori school · Grades Pre-K–K

    One of the 3 largest preschools in Missouri

    Saint Louis, MO0.4 mi

    B+Overall grade34 students34 students per teacher

    Central Institute for the Deaf

    Special education school · Ungraded

    Smaller classes than 94% of special education schools in Missouri

    Saint Louis, MO0.8 mi

    AOverall grade18 students2 students per teacher

    Map St. Louis

    Montessori school · Grades 7–12

    Small classes: about 6 students per teacher

    Saint Louis, MO0.9 mi

    B+Overall grade32 students6 students per teacher

    Loyola Academy of St. Louis

    Independent Catholic school · Grades 4–8

    Smaller classes than 80% of Catholic schools in Missouri

    Saint Louis, MO0.9 mi

    AOverall gradeAll boys77 students8 students per teacher