草榴社区

Montessori Academy Barber Station

Montessori Academy Preschool of Meridian

Challenger School - Meridian Top 19 路 Oldest Founding Date (ID)

Home > Idaho > Average Founding Date

Oldest 草榴社区 Schools in Idaho

The average private school in Idaho was founded around 1979 (2026-27).

The oldest private school in Idaho is St. Joseph's Catholic School, founded in 1900.

Quick Facts (2026-27)

# ID Schools Ranked: 90
Top 20 Range (Year Founded): 1900鈥�1963
ID School Avg.: 1979
National School Avg.: 1967

Quick Facts (2026-27)

# ID Schools Ranked: 90
Top 20 Range (Year Founded): 1900鈥�1963
ID School Avg.: 1979
National School Avg.: 1967

Frequently Asked Questions

What is the Idaho average private schools founding year?

The Idaho average private schools founding year is 1979 for 2026-27.

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

The top ranked private schools in Idaho include St. Joseph's Catholic School, Greenleaf Friends Academy and St. Mary's Catholic School.

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

The private high school with the oldest founding year in Idaho is Greenleaf Friends Academy, with a year of 1908. The private elementary school with the oldest founding year is St. Joseph's Catholic School, with a year of 1900.

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.