The Opponent Strength Index (OSI) provides a preseason snapshot of the overall strength of schedule for SSAA Atlantic League 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. American Heritage (Delray Beach)
Region: South
Preseason OSI: 48.90
2. Paxon
Region: North
Preseason OSI: 45.51
3. Space Coast
Region: South
Preseason OSI: 44.04
4. Frostproof
Region: South
Preseason OSI: 43.90
5. Interlachen
Region: North
Preseason OSI: 41.28
6. Clewiston
Region: South
Preseason OSI: 40.09
7. Bell
Region: North
Preseason OSI: 36.27
8. Lake Weir
Region: North
Preseason OSI: 35.13
9. Hardee
Region: South
Preseason OSI: 34.29
10. Bronson
Region: North
Preseason OSI: 33.93
To see the remaining OSI rankings for SSAA Atlantic League, 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 SSAA Atlantic League football.









![American Heritage (Delray Beach) has the toughest schedule for the 2025 season among the 20 teams in the SSAA Atlantic League. [X/@stallionsfb]](https://floridahsfootball.com/wp-content/uploads/2025/08/FPRI-SSAA-Atlantci-OSI-toughest-schedules-for-2025-750x422.jpg)
![Robinson (Tampa), Miami Edison, Wildwood, Seminole Ridge, and Alonso lead with the best probabilities for winning a flag football state championship in 2026. [Robinson Flag Football/Instagram; Miami Edison Flag Football/Instagram; Wildwood Flag Football/Instagram; Seminole Ridge High School/Instagram; Alonso Flag Football/Instagram]](https://floridahsfootball.com/wp-content/uploads/2026/02/Preseason-2026-State-Championship-Probabilites-According-to-the-Florida-Power-Rankings-Index-Preseason-Rankings-120x86.jpg)

![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)

![Seffner Christian is among the SSAA 11-Man teams that have the toughest schedules in the league for 2025. [Photo Courtesy of Seffner Christian]](https://floridahsfootball.com/wp-content/uploads/2025/08/FPRI-SSAA-11-Man-OSI-toughest-schedules-for-2025--75x75.jpg)
![Madison County is among the teams that have the toughest schedule in Class Rural for the 2025 season. [Joshua Wilson/FloridaHSFootball.com]](https://floridahsfootball.com/wp-content/uploads/2025/08/FPRI-Class-Rural-OSI-toughest-schedules-for-2025-75x75.jpg)
