XLO is a high school named after professor Stefan Banach

Stefan Banach 1892-1945

Mathematics is the most beautiful and most powerful creation of the human spirit.

Our school is named after Stefan Banach, Polish mathematician, considered one of the world's most important and influential 20th-century mathematicians.


Each year our school organizes
two contests: for maths lovers and for history lovers. This year school years:

Contest for maths lovers

Official website of the contest

Contest for history lovers

Sample questions

School textbooks

Banach was the author or co-author of the following textbooks:

Banach on You tube

Scottish Cafe

Banach led a busy social life. He and his friends used to meet at Scottish Cafe to make up and solve mathematical problems.
Find out what a goose might have to do with this.