The Sisters Hortensia, Ponsiana and Ediltruda are all Usambara-sisters and the good souls of the school.
Sister Hortensia Lamosai was working as a tailoring teacher. She is still working in the tailoring section and se also looks after the school's library.
Sister Ponsiana Msofe is the school's matron.
Sister Ediltruda Kimaryo works as bookkeeper and recepcionist.