Percy Julian Middle SchoolOak Park, IL, United States Percy Julian Middle SchoolOak Park, IL, United States Percy Julian Middle SchoolOak Park, IL, United States Percy Julian Middle SchoolOak Park, IL, United States Percy Julian Middle SchoolOak Park, IL, United States Percy Julian Middle SchoolOak Park, IL, United States Percy Julian Middle SchoolOak Park, IL, United States Percy Julian Middle SchoolOak Park, IL, United States