h.b. plant high school is a public high school located in the neighborhood of south tampa in tampa, florida, united states. it opened in 1927 between south himes avenue on the east and dale mabry highway on the west. the school is named in honor of railroad and hotel tycoon henry b. plant, who connected tampa to the united states railroad system in 1884, helping the isolated village to grow into a large city over the following decades. the school mascot is the panther. the school motto is "strength through unity." plant high school has an enrollment of more than 2,500 students.