Thomas Fitzsimons Junior High School, later The Young Men's Leadership School at Thomas E. FitzSimons High School, was a public secondary school that, in its final years, was a secondary school for boys. It was located at 2601 West Cumberland Street in Philadelphia, Pennsylvania, United States and was a part of the School District of Philadelphia. The school was named after Thomas FitzSimons, who was a signer of the Constitution of the United States.