his study investigated the relationship between task self-assessment and reading skill of female students among 160 learners of English as a foreign language. The main purpose of the paper is to find out the role of task self-assessment in EFL learning and then improving reading ability. In this study, Oxford placement test, TOEFL test, task self-assessment Questionnaire were used to assess the relationship between task self-assessment and reading comprehension score. One hundred and thirty participants were chosen based on oxford placement test. Reading test was run. A questionnaire was given to students to measure their level of task self-assessment. Spearman rank- order correlation test was run to the results of the questionnaire and the reading comprehension test by using SPSS 22 to answer the research question and to investigate the possible relationship between task self-assessment, and reading skill of Iranian EFL learners. The finding of the study revealed that there is a medium relationship between task self-assessment and reading skill of female student. [ABSTRACT FROM AUTHOR]