St. John's Institution or formerly known as St. John's National Secondary School is a public all-boys school and is one of the oldest schools in Kuala Lumpur, Malaysia. The school is widely known by its initials, SJI and the students of St. John's Institution bear the name Johannians.
- Country
- Malaysia
- Inception
- January 18, 1904
- Website
- http://www.stjohn.edu.my/
