SMK Negeri 7 Semarang was inaugurated on 7th June 1971 by the President of the Republic of Indonesia - Soeharto,
under the name "Proyek Perintis Sekolah Teknologi Menengah Pembangunan Semarang" with 4-years education period.
In 1986 the name of the school changed to "Sekolah Teknologi Menengah Pembangunan Semarang" and in 1995 was changed to "Sekolah Menengah Kejuruan Negeri 7 Semarang",
which is still 4-years of education period
SMK Negeri 7 Semarang has quite a lot in terms of clubs, just to name a few there are : scouts, paskibra, karawitan, stemba english club
, futsal, basketball, voli, etc. In line with our motto Tiada hari tanpa prestasi, each one of them constantly wins various competitions.