Leg pain is also frequently a sign of injury, such as the following: 1  Muscle strain is a common injury that happens when the muscle fibers tear as a result of overstretching. 2  Tendinitis is inflammation of a tendon.  Knee bursitis happens when the fluid-filled sacs, or bursa, surrounding the knee joint become inflamed.
Dr. Gabriel Trujillo is the superintendent of Tucson Unified School District. He is a lifelong educator, starting as a teacher with bilingual certification and later moving into administration in roles including assistant principal, principal, human resources director, assistant superintendent for curriculum and instruction. He accepted his current position as superintendent of Tucson Unified in 2017. As the leader of Southern Arizona's largest school district, Dr. Trujillo serves about 47,000 students and their families and oversees 89 schools and programs along with district departments and personnel.
The New Alliance of Superintendents and Principals: Applying the Research to Site-Based Decision Making. Few school change efforts are able to succeed without the active involvement of the superintendent (Hill, Wise, & Shapiro, 1989).