On 19th January 2018, The Archdiocese of Nairobi Education Office held the Pupils Councils' Symposium at Mang'u High School.

The main speaker was Mr. Joe Mwangi who talked about good leadership in general. He urged the pupils to be influential, have integrity, good communication skills and self motivation in order to go to greater heights. "You are the leaders of tomorrow so we have to mould you to be better people in future," he added.

The theme of the day was, "A pupil leader living and witnessing the competence based curriculum in a Catholic sponsored institution."