1st George House
2nd Kennedy House
3rd Sempa House
4th Nsubuga House
5th Armitage House
6th Luboyera House
Mengo Senior School has four Deputy Headteachers serving in different offices.
Academics and School programmes
This Office is currently being headed Mrs. Mary Kalyango Mukasa.
The Deputy-in-charge of Academics is responsible for the quality of academics and co-curricular activities in the school.
She oversees the effective study skills programme, monitors academic progress and manages staff and academic programmes in the school.
Administration and Personnel
This office is currently headed by Mrs Kiconco Dora Barekye. This office is responsible for updating the school, staff and student statistics. The Deputy in charge also co-ordinates and prepares staff schedules, prepares information to students and parents, promotes staff welfare and ensures that essential information is present, updated and secure in student and staff files.
This Office is currently headed by Mrs. Kiggundu Dorothy. The deputy in charge is responsible for students and staff meals, Child protection concerns, organizing of school events and overseeing the work of the school caterer and ground staff.
Finance and Public Relations
He is responsible for the Finances of the school. This office is currently headed by Mr Ssemakula Badru Idris Fredrick. He supervises and takes lead in organizing school functions, monitors and enforces discipline, responsible for Public Relations and he heads the school diplomacy committee.
The various deputies are assisted by deans at various levels within the school.