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St. Theodore Guerin High School

Diocesan school · Grades 9–12

Noblesville, IN

15300 N Gray Rd, Noblesville, IN 46062

Overall grade: B+

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

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

What stands out

  • 96% of graduates go to four-year colleges
  • Growing: enrollment up 22% since 2011–12
  • Serving families in Noblesville since at least 2011

In Noblesville, Indiana, St. Theodore Guerin High School is a Catholic diocesan school for students from 9th grade through 12th grade. About 800 students attend, with roughly 14 students per teacher. Enrollment is up about 22% since 2011–12. The school is part of the Diocese of Lafayette. The school reports that about 96% of its graduates go on to four-year colleges. The school day runs about 7 hours, 180 days a year. Indiana has programs that can help pay tuition; ask the school whether it takes part.

At a glance

Grades
Grades 9–12
Students
800
Teachers
59.3 (full-time equivalent)
Students per teacher
13.5
Boys and girls
Coed · 401 girls, 399 boys
Religious affiliation
Catholic · Diocesan school
School day
About 7 hours
School year
180 days
Graduates going to 4-year colleges
About 96% (the school's estimate for the class before the survey)
Library
Yes

Reviews

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    How it compares

    • Larger than 73% of Catholic high schools in Indiana.
    • Compared with 22 Catholic high schools in Indiana.

    Students by survey year

    658’11–12732’13–14733’15–16767’17–18722’19–20743’21–22800’23–24

    Total students reported in official records since 2011–12.

    Students by grade

    9206
    10204
    11197
    12193

    Student body

    White87%
    Hispanic or Latino8%
    Two or more races2%
    Asian2%
    Black1%
    American Indian or Alaska Native0%

    Member of

    • National Catholic Educational Association

    Help paying tuition in Indiana

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

    More about Indiana'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 St. Theodore Guerin High School

    What grades does St. Theodore Guerin High School serve?

    St. Theodore Guerin High School serves grades 9–12.

    How many students attend St. Theodore Guerin High School?

    About 800 students, with 14 students per teacher, according to official records.

    How much is tuition at St. Theodore Guerin High School?

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

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