The study examined the Table of Specification and its Relevance in Educational Assessment. The sample employed for the study is made up of one hundred and twenty (120) students randomly selected from four departments at the Faculty of Education, University of Lagos, Akoka. Nigeria. A questionnaire developed by the researcher was used for the study. Three Research Questions and three null Hypotheses were formulated and tested at 0.05 level of significance using independent t-test of difference and Pearson Product Moment‘s Correlation Statistical analyses. It was found out that the three hypotheses posited were significant. There was significant difference between Table of Specification and its Relevance in Educational Assessment, positive relationship exists between problems of Table of Specification and its Relevance in the Educational Assessment and there is significant relationship between general pattern of preparing Table of Specification and its Relevance in the Educational Assessment.
It was recommended that teachers should endeavors to construct a well test blue print that will help improve the validity of teacher evaluation based on given assessment, teachers must ensure that the test constructed measure an adequate sampling of the class at all level of domains and teachers and students must comply with all the laid down when preparing Table of Specification in schools.