The study aimed to explore the extent of school principals' practice of sustainable leadership and its relationship with achieving dimensions of sustainable development in schools in the North Al Batinah Governorate in the Sultanate of Oman. To achieve the current study's objectives, a descriptive correlational approach was used, employing a survey tool to gather data and information. The survey's validity, reliability, and stability were ensured, administered to a sample consisting of 449 male and female teachers in government schools in the North Al Batinah Governorate in the Sultanate of Oman. Among the key findings of the study: both the degree of school principals' practice of sustainable leadership and the level of achieving dimensions of sustainable development in schools in the North Al Batinah Governorate in the Sultanate of Oman were generally high. The results also indicated no statistically significant differences at the significance level (α≤0.05) between the means of the study sample's assessments regarding the degree of practicing sustainable leadership attributed to gender, while revealing statistically significant differences attributed to educational qualification and years of experience. However, the results showed no statistically significant differences at the significance level (α≤0.05) between the means of the study sample's assessments for the level of achieving dimensions of sustainable development attributed to gender, whereas statistically significant differences were evident related to educational qualification and years of experience. Additionally, the results demonstrated a statistically significant positive correlation between the degree of school principals' practice of sustainable leadership and its dimensions in achieving sustainable development in schools in the North Al Batinah Governorate in the Sultanate of Oman. In light of these findings, the current study recommended several recommendations, notably: promoting a culture of sustainable leadership by fostering sustainable creativity and excellence in education, establishing communication channels with the local community, providing training courses and developmental programs for school principals in the North Al Batinah Governorate, and raising awareness about the dimensions of sustainable development within the education sector in the Sultanate of Oman.