This research work assessed teacher and students' competence and the use of Information Communication Technology in Tertiary Institutions in Kaduna State in Nigeria. The statement of the problem was the challenges of integrating information and communication technology ICT into tertiary institutions was a very big task, many teachers and students still lack adequate training and competence in using computer as a tool for effective teaching and learning. Six objectives of the study, determine the extent of use of Information and Communication Technology by teachers in teaching in tertiary institutions in Kaduna State Nigeria; find out how often Information and Communication Technology is used by students for learning in tertiary institutions in Kaduna State Nigeria; Six research questions To what extent do teachers use ICT in teaching in tertiary institutions in Kaduna State of Nigeria What is the extent of students ICT use in learning in the tertiary institutions in Kaduna State of Nigeria and six hypotheses were formulated to guide the study. The study reviewed two theories: Vyotsky's Theory and Zone of Proximal Development (ZPD) and social learning theory. It adopted descriptive ex-post-facto design. The instruments used were questionnaires the population of teachers was 2234 and that of the students 5801 from tertiary institution while Simple random sampling was used to sample out 322 teachers and 380 students. The IBM version 23 SPSS (statistical package for social sciences was used for the analysis. The X2 square was used for testing the hypotheses. All hypotheses were tested at 0.05 alpha level of significance. The summary of the major findings in the use of Information and Communication Technology frequency of usage in teaching ICT was high especially as majority could shut down and start up computer on their own safely and use it for typing of examinations and tests. Majority of them could operate and use computer system with software packages and they also acquired skills to operate word processing. In conclusion, P Value 000.0 is lower than 0.05, there is significant difference existing between teachers and students on the ICT level of usage; the teachers have higher level of ICT usage than the students. All the six hypothesis are rejected. The study recommended that policies need to be put in place by the Federal and State Government for the improvement of ICT infrastructure, and provision of uninterrupted power supply for effective use and skills competence in the development of ICT. Contribution to knowledge information communication and technology shall lead the teachers and students to human progress, lifelong education, future career, which was employment and knowledge based education in tertiary institutions in Kaduna State, Nigeria