Background: Education is a crucial mean for nursing students to grow themselves in modern
societies. Therefore, they must possess the ability of self-directed learning which is a vital
component for sustainability in nursing education. Aim: This study aimed to assess nursing
students' readiness for self-directed learning and their sustainable developmental behavior.
Subjects and Method: Design: Descriptive correlational research design used in the study.
Setting: The study was conducted in Faculty of Nursing at Tanta University. Subject:
Consisted of 945 nursing students of Faculty of Nursing at Tanta University. Tools: Two tools
were used to collect the data. Tool I: Nursing Students' Self-Directed Learning Readiness
Scale. Tool II: Nursing Students' Sustainable Development Behavior Scale. Results: More
than three-quarters (78.73%) of nursing students had a high level of self-directed learning
readiness. Furthermore, more than two thirds (71.75%) of nursing students had a high level of
sustainable development behavior. Conclusion: There were statistically positive correlations
between overall nursing students' self-directed learning readiness and their perception
regarding sustainable development behavior. Recommendations: The nursing faculty
reinforces nursing students' self-directed learning readiness and keeps the progress of
sustainable development behavior through attending workshops and training programs