The study investigated the information resources and services of staff school libraries in Niger state. The general objective of the study is to assess the information resources and services of staff school libraries in Niger State. Survey method was adopted for the research; the choice of this method is based on the fact that the study area is spread across different geographical area and involves large population. The population of the study consists of the staff school libraries and librarians/teacher librarians in Niger state. Simple Random Sampling technique was used to select six (6) out of twenty one (21) staff school libraries. Instrument for data collection was observation and questionnaire containing items on availability and adequacy of resources, availability of services, method of acquisition and organization of resources and challenges constraining the provision of information resources and services. The data collected were analyzed using frequency and percentages. The findings revealed that the available resources were printed resources which are mostly text books, maps and pictures. The libraries do not have computers and other non-printed resources the resources and services available are inadequate. It was also found out that most of the school libraries acquire library resources through purchase and gift/donation. The method of organization used by the libraries were subject basis and numerical order, none of the libraries use classification scheme in organizing their resources. The staff school libraries were face with many challenges ranging from inadequate funding, lack of relevant resources, lack of professional staff and mutilation of library materials. Finally, the study therefore recommended the following: provision of adequate budgetary allocation to school libraries to enhance provision of varied and adequate resources, effective library and information services, qualified staff and functional ICT and internet facilities to be made available in the staff school libraries