The High School of Saint Thomas More
Diocesan school · Grades 9–12
Champaign, IL
3901 N Mattis Ave, Champaign, IL 61822
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- A+Class size
- A-College-going
- A-Years serving families
- A-Diversity
What stands out
- The smallest classes of any Catholic school in Champaign
- Smaller classes than 86% of Catholic schools in Illinois
- 85% of graduates go to four-year colleges
- Serving families in Champaign since at least 2011
In Champaign, Illinois, The High School of Saint Thomas More is a Catholic diocesan school for students from 9th grade through 12th grade. About 205 students attend, with roughly 9 students per teacher, smaller classes than 86% of Catholic high schools in Illinois. It has been listed in official private school records since 2011–12. The school is part of the Diocese of Peoria. The school reports that about 85% of its graduates go on to four-year colleges. The school day runs about 7 hours, 180 days a year.
At a glance
- Grades
- Grades 9–12
- Students
- 205
- Teachers
- 22.3 (full-time equivalent)
- Students per teacher
- 9.2
- Boys and girls
- Coed · 106 girls, 99 boys
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Diocese of Peoria
- School day
- About 7 hours
- School year
- 180 days
- Graduates going to 4-year colleges
- About 85% (the school's estimate for the class before the survey)
- Library
- Yes
Reviews
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How it compares
- Smaller classes than 86% of Catholic high schools in Illinois (9 students per teacher).
- A smaller school: fewer students than 80% of Catholic high schools in Illinois.
- Compared with 51 Catholic high schools in Illinois.
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 The High School of Saint Thomas More
What grades does The High School of Saint Thomas More serve?
The High School of Saint Thomas More serves grades 9–12.
How many students attend The High School of Saint Thomas More?
About 205 students, with 9 students per teacher, according to official records.
How much is tuition at The High School of Saint Thomas More?
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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