Mukangu Boys’ High School has a qualified teaching staff of 13 TSC Teachers who are dedicated to help students achieve their full potential.
| Teacher’s Name | Teaching Subjects | Responsibility |
| 1. Mr. Jackton Warui Magondu | Mathematics & Biology | – Senior Principal |
| 2. Mr. Francis Muriuki Nyamu | Agriculture & Chemistry | – Deputy Principal |
| 3. Mrs. Emma Wanjiru Matheri | Kiswahili & CRE | – HOD Languages – Patron Spiritual Affairs – In-charge of Drama & Music |
| 4. Mrs. Phoebe Wanja Mwendia | Biology & Chemistry | – Assistant D.O.S – KSEF Patron |
| 5. Mr. Richard Mugera Kibugi | English & Literature | – Boarding |
| 6. Mr. Jason Nyaga Ngure | Biology & Chemistry | – HOD Sciences – HOD Games |
| 7. Mrs. Rose Wambui Wachira | Mathematics & Business Studies | – HOD Technicals – CA Patron |
| 8. Mr. Charles Mwangi Kamau | Geography & History | – HOD Humanities |
| 9. Ms. Faith Wambui Nguo | Mathematics & Chemistry | – Dean of Studies |
| 10. Mr. Charles Wanyoike Kibande | Biology & Agriculture | – HOD Boarding |
| 11. Ms. Gladys Wanjiru Mwangi | Kiswahili & CRE | – In-charge of Drama & Music |
| 12. Mr. Joshua Ndung’u Kinyua | English & Literature | – Boarding |
| 13. Mrs. Alice Wanjiru Muriithi | English & History | – HOD Guidance & Counselling |