After twenty-six (26) years of the establishment of JNissi Nursery & Primary School; the word of the Lord came to the Proprietor (Pastor (Mrs) Bukola Oladiyun) in January 2020 to expand the vision of building an enduring world class Christian educational institution where children with sound moral, impeccable character and integrity are raised for transformational leadership. In obedience to this divine instruction, a committee was set up to work out the modalities for the take-off of JNissi High School.
On the 21st September 2020, the doors of JNissi High School was declared open to students after a dedication service by the Chairman of the Board of Directors, Senior Pastor Wole Oladiyun; the presiding Pastor of Christ Living springs Apostolic Ministry (CLAM) who prayed for staff and students while declaring open the new academic session 2020/2021 signaling the birth of JNissi High School.