The study investigated principals’ digital competence for secondary school administration in Port-Harcourt Metropolis. The study adoptions descriptive survey design. The population of the study was 87 school principals in junior and senior public secondary schools in Port-Harcourt Metropolis. The census sampling technique was used. The instrument used for data collection was researchers constructed questionnaire which has a four-point rating scale format. The instrument was validated by two experts in Educational Technolog and statistics. The reliability of the instrument was established using Cronbach Alpha method to measure the internal consistency of the items which yielded indexes of 0.78, 0.79 and 0.81 for each of the three clusters of the questionnaire. Mean and standard deviation was used for data analysis and z-test was used to test hypotheses at 0.05 level of significance. The study found that the ability to use information and communication technologies in taking class attendance of teachers, keeping teachers’ profile, maintaining staff relationship and communication, communication with teachers using e-media, E-circulars to teachers, organize school calender, students’ registration and admission process, record students’ school fees, managing students’ attendance in school, keeping records of school revenues, keeping records of school expenditure, record of debts amongst others. The study recommended that Principals should be trained on how to use digital tools for financial administration in secondary schools. This will enable them keep records of financial revenues and expenditure effectively.