This study examined the role of educational leaders (principals) in mentoring teachers on applying of Information and Communication Technology (ICT) to enhance teaching and learning in secondary schools in Nigeria, in the post-COVID-19 period. Employing a survey research design, the study sampled 200 teachers from a population of 676, using random sampling technique. Data was collected through a validated and reliable questionnaire titled “Educational Leaders Mentoring Teachers in the Application of Information Communication Technology for Enhancement of Teaching and Learning (ELMTAICTETL)”. The reliability index of 0.75 was established through data collected from the split-half method and correlation coefficients. Frequency was used to calculate the number of the respondents whereas mean statistics was used to analyze the research questions. The findings revealed that secondary schools’ principals did not mentor teachers on the application of ICT devices for instruction during the post-pandemic period. They did not also implement any structured mentoring strategies to enhance the teaching-learning process. The study concludes that a significant gap exists in leadership-driven ICT mentorship. Based on the findings of the study, the researchers recommended that schools’ principals should mentor teachers to apply ICT devices when teaching, at all times. This will help these teachers to teach students during crises periods using online devices.