This study was carried out in order to assess the management of human resource towards the achievement of public and private secondary schools comparatively in Niger State. It has been observed by the researcher that, recruitment of teachers for public secondary schools in Niger State happens to be the most suffered area of human resource, which may not be the same case with private secondary schools. Also public secondary schools teachers suffered late implementation of their promotions. Many parents today prefer to have their children schooling in private secondary schools than public ones. In addition to the meager salaries given to private secondary school teachers; yet private school managers do not release their staff for in-service training. The study was guided by six objectives which include: to compare recruitment process, find out staff training methods, assess motivation strategies, and determine staff discipline applied in public and private secondary schools in Niger State. A descriptive research survey design was adopted for the study. The 26,946 population constituted of zonal education officials, principals and teachers of public and private secondary schools out of which 378 was taken as sample size. A set of questionnaire was used as instrument for data collection. The six formulated hypotheses were tested by ANOVA. The finding revealed that the nature of recruitment for public teacher was influenced by god fatherism when compared with private schools. Private secondary schools authorities found difficulty in releasing their staff for study leave with pay. Public teachers suffered delay for the late implementation of their promotions, while private teachers received meager amount of salaries. Regular internal supervision is what fetches credit to private secondary schools in Niger State. It was therefore, recommended that, recruitment of teachers in public secondary schools should be based on merit without the influence of god fathers. The private secondary schools authorities should be given soft loan to their teachers who wish to go for in service training, distinguished senators and honourable members of Niger State should be encouraged to use 50% of their allowance to pay the outstanding promotions of public secondary schools teachers, people of authority in public sector should be m