1) The first full form of SSC is ‘Staff Selection Commission’.
Staff Selection Commission is an organization that runs under the Government of India. This organization recruits many employees for different positions across different ministries of the Government of India. The commission has headquarters in New Delhi, India. It is lead by a chairman and consists of 2 members and a secretary controller.
Initially, its name was Subordinate Services Commission which was changed in 1977 to Staff Selection Commission.
2) The second full form of SSC is Secondary School Certificate.
Secondary school certificate examination conducted by CBSE and some other state boards in India is also known as SSC.