In the financial year 2015/2016 Njumbi primary school was allocated Kshs 4,400,000 for construction of four classrooms (laying foundation, walling , plastering and roofing) and renovation of ten classrooms and a library (Flooring, plastering, fixing doors and windows, guttering and construction of verandah). Kshs 400,000 for purchase of 100 lockers and chairs. The face of this schools has totally changed compared to how it looked before.