FLORIDA POWER RANKINGS INDEX: Who’s Got the Gauntlet? FPRI ranks the toughest schedules in Class 5A for the 2025 season

The Opponent Strength Index (OSI) provides a preseason snapshot of the overall strength of schedule for Class 5A programs heading into the 2025 season. The higher the OSI rating, the tougher the schedule a team is expected to face. As the season unfolds, the OSI will update weekly based on results, reflecting both performance and the quality of competition. It also serves as one of several key components in the Florida Power Rankings Index (FPRI), which delivers a comprehensive measure of team strength across the state.

1. Heritage (Palm Bay)

District: 5A-13
Preseason OSI: 63.79

2. Leon

District: 5A-2
Preseason OSI: 63.06

3. St. Thomas Aquinas

District: 5A-15
Preseason OSI: 61.02

4. Lakeland

District: 5A-6
Preseason OSI: 60.85

5. Lincoln

District: 5A-2
Preseason OSI: 60.03

6. Manatee

District: 5A-9
Preseason OSI: 59.25

7. Kathleen

District: 5A-6
Preseason OSI: 58.32

8. Atlantic (Delray Beach)

District: 5A-14
Preseason OSI: 55.69

9. Blanche Ely

District: 5A-14
Preseason OSI: 54.62

10. Tampa Bay Tech

District: 5A-8
Preseason OSI: 52.54

To see the remaining OSI rankings for Class 5A, become a Premium Season Ticket Member or Premium Monthly Season Ticket Member or login below if you already have a membership.

These Preseason OSI rankings will evolve weekly throughout the 2025 season as games are played, offering an updated look at the toughest schedules in Class 5A football.