Kadet Remaja Sekolah was founded by Muhammad Thani Bin Sha'aban at SM Raja Abdullah, Jalan Kepong, Kuala Lumpur.
In 1989, a few other schools in the Federal Territories organised Kadet Putera Islam Malaysia.
The effort to make Kadet Putera Islam Malaysia as an official uniformed body under the Ministry of Education beginning on 10 August 1993.
In this meeting, the thesis about Kadet Putera Islam Malaysia (KPIM) was discussed.
However, this name was again changed to Kadet Remaja Islam/Youth Islam Cadet Corps (KRIS) In the meantime, the talk about KRIS to the Education Directors was held in October 1993 and was chaired by YB Tan Sri Datuk Dr. Wan Mohd Zahid.
He made the decision to change KRIS to the name Kadet Remaja Sekolah Malaysia (KRS).
It was officially launched on 20 June 1995 and its membership opened to all boys and girls regardless or religion.
Cadets who passed the rank of Staff Sergeant will be chosen to attend the Warrant Officer course.
The course for Warrant Officers used to be held at a national level, and is a very prestigious award for cadets.
Kadet Remaja Sekolah, Menuju satu ikatan bersaudara, Bersatu menjulang, keamanan negara, Menjayakan ilmu, iman dan amal.
There is also a type of informal activity attire (Uniform No.1) which is the KRS T-shirt with track bottoms.
4 consists of the Sherwood Dark Green long-sleeved smart shirt and trousers, beret, name tag, logos, collar dots, badges and lanyard.
It is compulsory for KRS nationwide in Malaysia to wear their uniform every Wednesday during school hours.
Some suggestions are focused on making the teachers as advisors only and the part/full-time instructor will handle the training for the cadets.