Admissions to NPC Senior school is mainly through form one after completion of KCPE, however, admissions in the year and to other classes is by production of the last report card and the KCPE results slip after which a decision is taken to administer a written interview.  A minimum mark of 50% is required for qualification for admission.

A fee of kshs. 1,000/- is paid once approval of admission has been granted.  Admission papers are then given, however, they are valid for a period of which a place is not guaranteed and a fresh interview may be administered depending on the availability of space.
The school has limited boarding places that is offered on first come basis.

Once approval for admission has been given, admission papers are issued after payment if kshs. 1,000/=, however they are valid for a period of two weeks after which fresh interview may be administered depending on the availability of space.