Best Waterloo Private Schools (2025-26)

For the 2025-26 school year, there are 2 private schools serving 519 students in Waterloo, IL (there are 5 public schools, serving 2,742 public students). 16% of all K-12 students in Waterloo, IL are educated in private schools (compared to the IL state average of 12%).
The top ranked private school in Waterloo, IL is SS Peter & Paul Catholic School.
100% of private schools in Waterloo, IL are religiously affiliated (most commonly Catholic).

Top Ranked Waterloo Private Schools (2025-26)

School
Location
Quick Facts
SS Peter & Paul Catholic School
(Catholic)
217 W 3rd St
Waterloo, IL 62298
(618) 939-7217
Gr: PK-8 | 340 students Tuition listed
Gibault Catholic
(Catholic)
501 Columbia Ave
Waterloo, IL 62298
(618) 922-9751
Gr: 9-12 | 179 students Avg. class size: 8 students Tuition listed

Frequently Asked Questions

What are the top ranked private schools in Waterloo, IL?
The top ranked private schools in Waterloo, IL is SS Peter & Paul Catholic School.
How many private schools are located in Waterloo?
2 private schools are located in Waterloo.
What percentage of students in Waterloo go to private school?
16% of all K-12 students in Waterloo are educated in private schools (compared to the IL state average of 12%).
What percentage of private schools are religiously affiliated in Waterloo?
100% of private schools in Waterloo are religiously affiliated (most commonly Catholic).

Recent Articles

Transferring from Public to Private School Mid-Year: What to Expect
Transferring from Public to Private School Mid-Year: What to Expect
Considering a mid-year transfer from public to private school? Learn what to expect with admissions, academic placement, social adjustment, and financial aid to ensure a smooth transition.
A Guide to Day vs. Boarding School: Which Is Right for Your Family
A Guide to Day vs. Boarding School: Which Is Right for Your Family
Discover the key differences between day and boarding schools to determine the best fit for your child. Explore benefits, costs, lifestyle factors, and questions to help guide your family’s decision.
The A to Z of Private Schools 2025
The A to Z of Private Schools 2025
Explore the A to Z of private schools in 2025—from admissions to tuition—offering parents and educators clear insights into today’s options.