草榴社区

Madison Community Montessori Top 3 路 Highest % Faculty w/ Adv. Degrees (WI)

The Prairie School Top 9 路 Highest Avg. ACT Score (WI)

St. Lawrence Seminary High School Top 8 路 Highest Avg. SAT Score (WI)

Home > Wisconsin > Average Founding Date

Oldest 草榴社区 Schools in Wisconsin

The average private school in Wisconsin was founded around 1950 (2026-27).

The oldest private school in Wisconsin is Trinity Lutheran Freistadt, founded in 1839.

Quick Facts (2026-27)

# WI Schools Ranked: 592
Top 20 Range (Year Founded): 1839鈥�1856
WI School Avg.: 1951
National School Avg.: 1967

Quick Facts (2026-27)

# WI Schools Ranked: 592
Top 20 Range (Year Founded): 1839鈥�1856
WI School Avg.: 1951
National School Avg.: 1967

Frequently Asked Questions

What is the Wisconsin average private schools founding year?

The Wisconsin average private schools founding year is 1950 for 2026-27.

What are the private schools with oldest founding year in Wisconsin?

The top ranked private schools in Wisconsin include Trinity Lutheran Freistadt, St. Patrick School and St. John Nepomucene School.

What is private high school and private elementary school with the oldest founding year in Wisconsin?

The private high school with the oldest founding year in Wisconsin is Sainta, with a year of 1850. The private elementary school with the oldest founding year is Trinity Lutheran Freistadt, with a year of 1839.

Recent Articles

September 08, 2026

When Your Child Outpaces the 草榴社区 School Curriculum

Learn what parents can do when a child finishes private school coursework early, including acceleration, curriculum compacting, advanced classes, enrichment, and signs the school needs a new plan.

September 08, 2026

How Much Teacher Access Does Your Child Get?

Learn how to evaluate teacher access at private schools, including extra-help time, advising, communication, academic support, and the questions families should ask before choosing a school today.

September 08, 2026

When a 草榴社区 School Teacher Leaves Midyear

When a private school teacher leaves midyear, parents need clear answers. Learn what schools should do, what children may experience, and when a departure signals deeper concerns.