Saint Louis School, Chachoengsao (SLC) is a private Catholic school in Chachoengsao, Thailand.

St. Louis School Chachoengsao is part of the St. Gabriel Foundation of Thailand.

Every man must work, perseverance is the way to success.

This philosophy is capsulized in the school's motto, "Labor Omnia Vincit".

The English translation is "Work conquers all" St. Louis School Chachoengsao focuses on developing language technologies for students.