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Home > Wisconsin > Average Founding Date

Oldest Private High Schools in Wisconsin

The average private high school in Wisconsin was founded around 1967 (2026).

The oldest private high school in Wisconsin is Sainta, founded in 1850.

Quick Facts (2026)

# WI Schools Ranked: 153
Top 20 Range (Year Founded): 1850–1907
WI School Avg.: 1966
National School Avg.: 1967

Quick Facts (2026)

# WI Schools Ranked: 153
Top 20 Range (Year Founded): 1850–1907
WI School Avg.: 1966
National School Avg.: 1967

Frequently Asked Questions

What is the Wisconsin average private high schools founding year?

The Wisconsin average private high schools founding year is 1967 for 2026.

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

The top ranked private high schools in Wisconsin include Sainta, Wayland Academy and Marquette University High School.

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