The development of Petra Acitya Christian Junior High School was started by the preparation team and the constraction team.The curriculum & syllabus team was inaugurated by PPPK School Board.The construction of the prestigious 9th-floor buildingd is located on Pondok Tjandra Indah,Sidoarjo.

The first meeting of the preparation team with teacher and staff of further Petra Acitya Christian Junior High School in March 2020. The SOP and syllabus were signed there.