St. Joseph School
Diocesan school · Grades K–8
Decatur, IN
127 N 4th St, Decatur, IN 46733
Overall grade: B+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- AClass size
- B+Years serving families
- B-Diversity
What stands out
- The only Catholic school in Decatur
- Smaller classes than 66% of Catholic schools in Indiana
- Serving families in Decatur since at least 2011
St. Joseph School is a Catholic diocesan school in Decatur, Indiana, for students from kindergarten through 8th grade. It has about 248 students and around 12 students per teacher, smaller classes than 66% of Catholic elementary schools in Indiana. The school is part of the Diocese of Ft. Wayne-South Bend. Students attend about 7 hours a day, 180 days a year. Indiana has programs that can help pay tuition; ask the school whether it takes part.
At a glance
- Grades
- Grades K–8
- Students
- 248
- Teachers
- 21.6 (full-time equivalent)
- Students per teacher
- 11.5
- Boys and girls
- Coed · 112 girls, 136 boys
- Religious affiliation
- Catholic · Diocesan school
- School day
- About 7 hours
- School year
- 180 days
- Library
- Yes
Reviews
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How it compares
- Smaller classes than 66% of Catholic elementary schools in Indiana (12 students per teacher).
- Larger than 61% of Catholic elementary schools in Indiana.
- Compared with 134 Catholic elementary schools in Indiana.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Help paying tuition in Indiana
These state programs can help pay private school tuition. Only participating schools can accept them, so ask St. Joseph School whether it takes part.
- Indiana Choice Scholarship Program · Voucher or 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. Joseph School
What grades does St. Joseph School serve?
St. Joseph School serves grades K–8.
How many students attend St. Joseph School?
About 248 students, with 12 students per teacher, according to official records.
How much is tuition at St. Joseph 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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