Pelantikan OSIS 2018/2019 24 September 2018
Sep 23 – Oct 23, 2018
SMPN 21 Purworejo (Owner)
Febri projcek
Reyno umar dhani
Erlines Frisilaindri
aing maunggg
Choirul Alvin
Ramasari Ica76
Atila Boy
Achmad Ifandy
Danis Yudhatama
Leni Sarifatul sariyah
ismi aufa
DAVID
Talita Salwa