Al Ghoul, J.H. and Al-Sarairah , K.A. 2025. The Degree of Practicing Lean Management among Principals of Public Schools in Palestine and its Relationship to some Variables. Jordanian Educational Journal. 10, 2 (Apr. 2025), 440–459. DOI:https://doi.org/10.46515/jaes.v10i2.1547.