![Both Lake Mary and Venice are among the Class 7A teams with the toughest schedules for 2025. [Joshua Wilson/FloridaHSFootball.com]](https://floridahsfootball.com/wp-content/uploads/2025/08/FPRI-Class-7A-OSI-toughest-schedules-for-2025.jpg)
The Opponent Strength Index (OSI) provides a preseason snapshot of the overall strength of schedule for Class 7A 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. Treasure Coast
District: 7A-11
Preseason OSI: 69.49
2. Columbus
District: 7A-16
Preseason OSI: 68.55
3. Venice
District: 7A-8
Preseason OSI: 62.56
4. Apopka
District: 7A-5
Preseason OSI: 62.47
5. Lake Mary
District: 7A-3
Preseason OSI: 61.44
6. Seminole (Sanford)
District: 7A-3
Preseason OSI: 61.40
7. DeLand
District: 7A-2
Preseason OSI: 60.07
8. Sumner
District: 7A-7
Preseason OSI: 59.03
9. Vero Beach
District: 7A-11
Preseason OSI: 57.69
10. Palm Beach Central
District: 7A-12
Preseason OSI: 57.06
To see the remaining OSI rankings for Class 7A, 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 7A football.
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![Robinson (Tampa) looks to make a run towards a 10th consecutive flag football state championship and 11th overall in program history this spring. [Robinson Flag Football/Instagram]](https://floridahsfootball.com/wp-content/uploads/2026/02/Tampa-Bay-Preseason-Flag-Football-Preview-Rankings-Robinson-120x86.jpg)
![Miami Edison, which captured their first flag football state championship in 2025 will be among the top teams in South Florida to start off the 2026 season. [Miami Edison Flag Football/Instagram]](https://floridahsfootball.com/wp-content/uploads/2026/02/South-Florida-Flag-Preseason-Top-25-Analysis-2026-120x86.jpg)
![Tate will be among the Panhandle teams kicking off the 2025 football season this week. [X/@TateFootball]](https://floridahsfootball.com/wp-content/uploads/2025/08/Week-1-2025-schedule-Panhandle-75x75.jpg)
